Baby heart rate 170 is that too high. At 10 weeks, the average heart rate was 79.

Call Us. Your baby’s heart beats quickly because of the The normal fetal heart rate is between 120 and 160 beats per minute. At my checkup yesterday, my sons heart rate was reading 180-185 bmp at the beginning of the appointment. Some babies have heart rates that are slower or faster than average. Resting Heart Rates by Age. These can include tachycardia–an increased heart rate–or bradycardia, which is a slowed heartbeat. My SIL’s kids have both had heart rates of 170, no concerns. Target heart rate during moderate intensity activities is about 50-70% of maximum heart rate, while during vigorous physical activity it’s about 70-85% of maximum. 0 weeks. Call your doctor or 911 if you think you may have a medical emergency. In the first two types, your baby’s heart rate is continuously recorded, but with the third option, the nurse checks intermittently to see what the heart rate is during labor. Week 9. Now i am in week 13 and it is arround 156. FHR <120 bpm between 6. No: At nine weeks the average fetal heart rate is 175, but range through pregnancy is 120 to 180. Medically Reviewed by Kendra Segura, MD. o. 9 bpm (plus or minus 22. How audible the heartbeat usually depends on the position of your baby as well as the nature of your abdominal tissues. At 16w my girls was 161. Very early in pregnancy, it is typically around 110 BPM. Is fetal heart rate of 170 too high? A rapid fetal heart rate is termed a fetal tachycardia and is usually defined as: FHR >160-180 bpm. By 14 weeks the fetal heart rate is about 150 bpm. 5 to 6 years old. The baby’s heart rate could increase all the way up to 170 bpm. Your healthcare provider may do fetal heart monitoring during late pregnancy and labor. The heart is made up of four chambers – two at the top called atria and two at the bottom called ventricles. As a general rule of thumb, as we get older our peak heart rate drops. There's a pretty straightforward math equation to figuring out how high your heart rate should get when you're doing HIIT. Fetal tachycardia is defined as a heart rate greater than 160-180 beats per minute (bpm). The heart rate at which a person with AFib is considered safe can differ based on whether they’re resting, engaging May 31, 2022 · Beta-agonists used in the treatment of asthma or for tocolysis can cross the placenta and cause a fetal tachycardia. Typically, an abnormally fast heart rate is over 200 beats per minute. It's a very fast or erratic heartbeat that affects the heart's upper chambers. The recording doesn Dec 15, 2023 · Causes. Therefore, it is important to know the signs and symptoms of an Jul 1, 2004 · Q: I am a 55 year old, 6'2", 230 pound, 15 mile a week "runner. Clinical features and incidence. I have noticed, during workout sessions, that my heart rate gets up into the really high range. The baby’s heart rate is monitored continuously. By 6 weeks, it has increased to about 110 bpm. At 10 weeks, the rate begins to decline and soon falls within the baseline range of 110 to 160 bpm. 5 hours later and by then it was Jul 31, 2023 · 6-7 Weeks: The heart starts beating, and the heartbeat can be detected via transvaginal ultrasound. External: This is the most common continuous monitoring we use Aug 17, 2023 · A heart rate of 170 bpm while running can be a sign something's wrong if it falls above your maximum heart rate and you're experiencing symptoms like trouble breathing, dizziness, chest pain or lightheadedness. 75-115 BPM. Last week when I went to the Dr. The doctor listens for a while and each time is not concerned. Cardiovascular changes take place from the first trimester onwards, however, heart rate changes occur later and rises progressively towards an average of 91 bpm (range 68–115) at around 34 weeks. 3 BPM. When I got there babies heart rate was still high I felt her moving Aug 17, 2017 · Im 11 weeks 6 days and the doctor told me the baby's heartbeat is strong at 161 bpm. Apr 1, 2024 · Normal Heart Rate at Rest for Adults. But since both boys’ and girls’ heart rates could be anywhere within around 23 bpm of that rate, it’s impossible to determine the baby’s sex from only knowing Tachycardia is faster than usual heart rate. May 28, 2023 · Our Concierge. I went to the doc for a checkup this morning and found out I'm 8 weeks and 2 days along. Tachycardia is an arrhythmia, or abnormal heart beat, and some types need no treatment at all or may go away on their own. m. Old wives tails say this was our strongest predictor it would be a girl! Try not to fret; your own elevated heart rate from anxieties could impact baby's, too Sep 7, 2023 · Hypertension occurs when the force exerted against artery walls is abnormally high. This helps your doctor see how your baby is responding to the contractions. Fret too! a 148-minute fetal heart rate is a boy or a girl, mom? . An abnormal fetal heart rate may mean that your baby is not getting enough oxygen or that there are other problems. My fetal heart rate is 177, went to doctor today. In the past, it was recommended that pregnant women keep their heart rate below 140 beats per minute, but those strict guidelines have since been eliminated. The figures are averages, so use them as a Sep 20, 2021 · Citation, DOI, disclosures and article data. The normal heart rate for a fetus is anywhere between 120 and 160 beats per minute. Sinus tachycardia is a symptom, not a condition. Mar 5, 2023 · If your child grows up with high blood pressure, or hypertension, it could make them more likely to have a stroke, heart attack, heart failure, and kidney disease. Posted 06-09-20. 170 at week 13. A blood pressure reading of 170/85 coupled with symptoms such as headache, nausea, blurry vision, chest pain and shortness of breath point to a hypertensive emergency. That's all to say that pregnancy alone can raise your resting heart rate to higher levels than If your blood pressure is too high, it puts extra strain on your blood vessels, heart and other organs, such as the brain, kidneys and eyes. 120 to 160, with average of 140. At 10 weeks, the average heart rate was 79. This was me, too! Baby was 179 at week 8. Mar 9, 2021 · Your maximum heart rate is about 220 minus your age. Nov 30, 2020 · Shutterstock. This is why one can’t be 100% sure based on the heart rate, because if your baby is in higher percentile for a boy you might think it’s a girl. After establishing the baseline fetal heart rate, fetal heart rate assessments should be conducted by listening and counting immediately after the contraction for 30–60 seconds to ensure that the fetal heart rate is consistent with the established fetal baseline rate and to detect accelerations or decelerations from baseline (II-3 B). Jun 12, 2022 · Ventricular tachycardia is a heart rate higher than 120 beats per minute that starts in your heart’s two lower chambers (ventricles), rather than from the normal electrical pathway. Fetal Heart Rate and Risk of Miscarriage. When a doctor is referring to fetal heart rate, he or she is talking about the baby’s heartbeat in utero. A dangerous heart rate can lead to serious health effects. 9 BPM. Anyone else have this happen? Should i be concerned? Dec 22, 2015 · Three ways to monitor fetal heart rate. She said as long as it dropped it was OK but 170 is high for 36 wks. But I have the opposite. Then, moving forward, there is a normal range of fetal heart rate from 110 to 160 beats per minute. By 40 weeks, the average rate was 86. Ultrasound heartbeat was 138 and normal the whole pregnancy has been high 160’s. What happens if baby’s heart rate is too high? If the heart beats too fast, contractions are shallow and not enough blood is pumped with each heartbeat. May 31, 2023 · At nine weeks gestation, the fetal heart rate should be around 170 beats per minute. Mar 7, 2024 · Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. Check Details Check Details. Her heart rate dropped very slowly at our check ins but she was 150 finally at our 20 wk anatomy scan. mstanoje. Fetal heart rate may speed up to 140 to 170 BPM around the ninth week and slow to around 110 to 160 BPM thereafter. Blood pressure. 7 to 9 years old. Aug 15, 2020 · Fetal arrhythmia is a term that refers to any abnormality in the heart rate of your baby. 170’s is normal. For example, having a heart rate over 120 while resting could point to an abnormal heart rhythm. Mine was 166 at 12w 4 days. Understanding the variations in heart rates and how to properly check your child's rate can help keep track and prevent unnecessary concern. If you have no known heart problems and your heart rate is at its maximum of 170 bpm, it's generally safe to exercise at this heart . The average ‘normal’ heart rate for kids depends on their age group. strokes. Midwife said that is normal for early pregnancy. 8 bpm) and for baby girls it was 151. The heart rate has been in the 170's since 9 weeks. SVT also is called paroxysmal supraventricular tachycardia. I thought Ive read that 120-160 is "normal". A fetus’s heart rate will usually range between 110 to 160 beats per minute (bpm), but it can vary throughout pregnancy. But this has Feb 1, 2023 · The average heart rate for baby boys in the first trimester was 154. that’s a normal heart rate especially at 24 weeks, anything over 180 is usually to be concerned & anything under 110 is a concern. Mar 30, 2021 · I just had my 16 week appt last week and my baby’s heart rate was 160s. , FACOG, ob-gyn 15 fun baby gender predictor tests to try Aug 3, 2020 · Take a peek at this fetal heart rate chart to get an idea of how it changes week to week: Once baby is born, he/she will maintain the 120-160 bpm average range for the first few hours, but after that: The neonate (first 28 days of life): 100-165 bpm while awake and 90-160 bpm while asleep ( source) 1-2 months: 100-150 bpm while awake and 90-160 Jun 23, 2021 · A fetal heart rate below 70 beats per minute around 6-8 weeks usually predicts a miscarriage. The figures are averages, so use them as a A resting heart rate consistently over 110-130 beats per minute (bpm) or exercise heart rate exceeding 170 bpm starts entering the high-risk category. So it is better to consider these only as fun distractions. . Basically, subtract your age from 220 and that’s the Aug 15, 2011 · What's considered a normal fetal heart rate – and how this changes by week Reviewed by Shannon Smith, M. pm. Other tachycardias are more serious and Mar 19, 2010 · Tachycardia is an abnormally fast heart rate. Infants have a higher heart rate than children. If you notice your baby is moving less, or has a different pattern of movements, call your midwife or maternity unit straight away. Mar 3, 2023 · 170: 55: 83–140: 165: 60: 80–136: 160: 65: 78–132: 155: 70: For most people, having a heart rate that is consistently too high or too low may signal an underlying condition, such as: Resting pediatric warning newborns adolescent vitalFetal heart rate for gender prediction : ingender. Tachycardia usually does not last long enough to cause serious damage. "You want to push yourself during the work period of the interval so that you Jun 7, 2023 · Fetal heart rate is generally highest at nine weeks, but is 190 at nine weeks too high? Learn about fetal tachyarrhythmia and when to be concerned. Healthcare providers check these during exams to get a snapshot of your child’s What we do notice is that fetal heart rate is usually above 160 beats per minute from about nine weeks until about 13 weeks gestation. A baby’s heart rate will slow even more during the final 10 weeks of pregnancy. 7 bpm). During pregnancy, your baby's movements are a good way for you to get an idea of their wellbeing. If your heart rate exceeds 185 beats per minute during exercise, it is dangerous for you. High-intensity exercise: This is when your target heart rate is 70% to 85% of your maximum. Mar 26, 2024 · Moderate-intensity exercise: Your target heart rate should be 50% to 70% of your maximum heart rate. While I have been on the treadmill, for example, it has been clocked at about 170 to 175 bpm (sometimes even as high as 180!) while I'm running (and I'm not running too terribly fast). a) umbilical vein report. This lets your healthcare provider see how your baby is doing. bds01. r. A rapid fetal heart rate is termed a fetal tachycardia and is usually defined as: FHR >160-180 bpm 5,7. Instruments record both the baby’s heartbeat and your contractions. After week 12. Mine was 173 at 8 weeks and 165 when went back at 10weeks, both times Dr. Dec 23, 2017 · I had an appt yesterday and my dr was off for the holidays so i saw her P. Posted 09-21-17. I am 40 +3 weeks now and at my last couple of appointments my baby's heart rate has been around 170. What every clinician should know. d) blood glucose concentration. Predicting a baby’s gender has a 50% chance of coming true, so it is good to bet on horses, but not on baby names. Over time, elevated pressure can cause a wide range of problems. MayoClinic. 15–20% in the third trimester. Mar 21, 2022 · At 12 weeks my baby’s heart rate was also 170. It is unusual for tachycardia to cause the heart to stop all of a sudden. I wear a heart monitor and at an easy pace - 10 minutes a mile. Jun 15, 2023 · 3–5% in the first trimester. FHR around 170 bpm may be classified as borderline fetal tachycardia. Week 12. A fetus’s heart will start beating at approximately 6 weeks of pregnancy. This rapid rate may have a regular Jun 12, 2019 · Baby’s heart is fine and my doctor happened to catch her during normal accelerations. My ob didn’t seem at all concerned as baby was moving quite a bit (he is usually very active) after about 15 minutes he rechecked it & it was down around 140. Usually, the average heart rate of children is 60 beats per minute when they are resting, while it can go as high as 220 beats when they are active. Some can indicate a more serious heart issue, so if your child has symptoms of an arrhythmia, make an appointment with your pediatrician’s office. Tachycardia is an increased heart rate for any reason. Let s try again. Blood pressure is measured using Mar 9, 2021 · Your maximum heart rate is about 220 minus your age. It's pretty incredible! May 20, 2009 · very high fetal heart rate. During an episode of tachycardia, your child may feel dizzy, weak or uncomfortable, and the heart may beat more than 160 times per minute. Dec 27, 2009 · Although the NORMAL heart rate Baseline is between 110bpm-160bpm it is entirely normal for the heart rate to reach over the 160bpm and in fact reach as high as 180bpm during active periods but as long as the heart rate returns to a baseline between the two perimeters of 110-160. com lists rapid heartbeat as a sign of dehydration. She is now a happy and healthy 5 year old and my newest babe had a heart rate of 190 at 9 weeks even just last week. There’s a well-known math formula that adults use to determine maximum heart rate. She checked the heart rate of the baby and it was over 170 for at least a minute and then dropped to around 140ish. b) umbilical artery report. Small bulges, called aneurysms, may form in Sep 15, 2023 · In older people, it probably underestimates what your maximum heart rate should be. If the baby is moving around during Sep 20, 2023 · A normal resting heart rate typically falls between 60–100 beats per minute. Jul 3, 2024 · 149 to 172. This is a potentially life-threating issue and you should call 911 immediately. But anyway, I'm 12w2d and the baby's heart rate today at my obgyn's office was 172 bpm. A. My baby's heart rate has always been in the 170's and my on says that's right where we want it. Both my twin girls had 172 heart rate at 11wks! My baby’s heartbeat was 164 yesterday at 12 weeks. b. If you really did reach your maximum effort at 177 heart rate then yes, you are training too hard every run. j. I was talking and a little nervous during the ultrasound, but the fetal heart rate measured at 180 bpm. 170 bpm 14 weeks 150 bpm Jul 30, 2016 · Mine was 161 at 11w3d. The fetal heart rate may change as your baby responds to conditions in your uterus. About a quarter of babies show signs of distress at some point. Monitoring your heart rate while you run can help you achieve your goals. Feb 7, 2017 · My oldest had a heart rate of 189 at 9 weeks 3 days. 2 A persistent tachycardia in early pregnancy is, therefore, less likely to be physiological than later in pregnancy, which Generally baby boys have a lower heart rate (it’s called correlation), but if the heart rate is low it doesn’t necessarily mean it’s a boy (causation). After the 13th week of pregnancy, the baby’s heart rate will begin to slow. Dehydration. Mar 23, 2023 · A slow fetal heart rate is termed fetal bradycardia and is usually defined as 1: FHR <100 bpm before 6. Does this mean it s too high? Am I being paranoid? Jun 28, 2024 · One such research conducted in August 2023 concluded that the first trimester fetal heart rate is not a reliable marker for fetal sex determination [ 11 ]. They weren’t concerned but I am. That’s very high. when assessing a fetal heart rate tracing, the nurse notes a Mar 16, 2021 · An average fetal heart rate ranges from 110 to 160 beats per minute (bpm) and changes when the baby is active. It is a fast heart rate, greater than 100 beats per minute or more, which starts in the atria, the upper chambers of the heart. D. My beb was 170 at 12 weeks if that helps :) At 13 weeks baby’s HR was 172. If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia. Week 9 is usually when the heart rate peaks and then declined from there to what it will be. No advice. By 9 to 10 weeks, it has increased to about 170 bpm. In the example above, someone who is 50 years old would keep their heart rate in the 85 bpm to 119 bpm range during moderate exercise. 3 weeks gestation, or. Thanks for this note. Generally speaking, a fetal heart rate between 100 and 160 is considered normal Kids and the traditional ‘max heart rate’ formula. At 5 weeks, your baby's heart rate is about the same as yours, around 80 to 85 bpm. It is variably defined as a heart rate above 160-180 beats per minute (bpm) and typically ranges between 170-220 bpm (higher rates can occur with tachyarrhythmias). 4tobe5. As you say, 165 is 94 per cent of Feb 14, 2024 · Suppose your age is 35 years, and your maximum heart rate is 185 beats per minute. I don't think yours is too high at all! Baby's heart rate was 155 bpm at my 11w5d appointment. Mar 18, 2011 · Thanks girls for the quick replies and putting my mind at ease -- you ROCK!! For what it's worth to those of you whose babes also have higher heart rates, my u/s tech immediately said "we've got a Aug 6, 2020 · Baby’s Heart-rate or known as Fetal Heart Rate (FHR) By the ninth week, your baby’s heartbeat typically will reach between 140-170 bpm and some literature state 140 – 180 bpm. Dec 19, 2023 · 165 is normal. Similarly, if your age is 20 years, your maximum heart rate is 200 beats per minute. 120 to 180, with average of 150. Dec 12, 2017 · The most common form of monitoring is external electronic fetal monitoring. Totally normal. The average fetal heart rate is between 110 and 160 beats per minute. Dehydration is a common cause of infant death, especially in developing countries. Fetal distress during labour and birth is fairly common. Posted 05-20-09. If it Sep 11, 2019 · 180+ heart rate at 32 weeks! j. "I have been running for two years and lost 45 pounds. Baby should be okay Feb 16, 2004 · Hi, everyone. jl1991. 12 Weeks: By this time, the heart rate stabilizes to the typical range of 120-160 bpm. A normal resting heart rate is 60 to 100 beats per minute. Almost 200 is not At 6 weeks and 8 weeks baby's heart rate was 180! I've asked Dr google about it too! But I wouldn't fret over it. I was very worried. In the age category closest to yours, read across to find your target heart rates. Dec 9, 2021 · Call (502) 629-2929. 8-10 Weeks: The heart rate increases to around 150 bpm as the baby’s heart develops further. During an episode of ventricular tachycardia, your heart is beating so fast that: Your blood pressure High Fetal Heart Rate at 36 weeks. I am here because my hight heart rate shown by my smartwatch during my runs… I am 56 y. Having a high heart rate when you’re not being active can be a sign of a problem. Fetal heart rate can provide lots of information about your baby’s health during pregnancy. A toddler’s heart rate that is too fast (tachycardia) or too slow (bradycardia) is also called an arrhythmia, and many arrhythmias are minor with no significant health threat. Heart rate 171 too high for 12 weeks pregnant . mine was 165-170 at 12w5d and neither the ultrasound tech or my doctor said anything. There are many Oct 20, 2022 · The average fetal heart rate is between 110 and 160 beats per minute. 155 to 195, with average of 175. c) amniotic fluid concentration. Persistent high blood pressure can increase your risk of a number of serious and potentially life-threatening health conditions, such as: heart disease. May 30, 2022 · Is 170 heart rate too high for fetus? The normal fetal heart rate is between 120 and 160 beats per minute. The specialist said they don’t get truly concerned or intervene unless the heart rate is 200 or more. Sep 29, 2022 · Heart rate is the number of times your heart beats in 1 minute. Oct 14, 2020 · The study also found that the average heart rate rises steadily through pregnancy. A high or low heart rate may indicate a serious underlying condition. Yup 170. The heart rate is relatively slow, around 90-110 bpm. If you’re 40, your peak heart rate Jun 11, 2023 · A normal heart rate for a fetus can range from 110 to 160 beats per minute (BPM). Posted 04-18-15. 10 and older. The typical heart beats about 60 to 100 times a minute. It's likely that your child's heart rate stays within these healthy ranges, even if the pulse feels very fast. In an interview with The List, celebrity fitness trainer Jillian Michaels shared the formula that most fitness trainers rely upon. 3 and 7. My heart rate Apr 11, 2023 · Updated April 11, 2023. should be 220-56=164 b. Fetal Heart Rate for Gender Prediction a) umbilical vein report. For teenagers, the number is 90 beats/minute. Oct 13, 2022 · The four basic vital signs are: Body temperature. Normal range is 120-180bpm, so you're on the high side but within the normal range so no need to worry! Mine was 180 at week 11. Oct 27, 2023 · A child’s heart rate is different than that of an adult. Most heart conditions can lead to different forms of tachycardia. the baby's heart rate was too high (182 bpm). So it sounds like yours is normal. The ventricles are the pumping chambers of the heart. The electrical signals occur abnormally and speed up the heart rate. 70-110 BPM. The doctors have said it’s healthy and it’s a regular heart beat. Fetal tachycardia is an abnormal increase in the fetal heart rate. The normal fetal heart rate at mid-pregnancy should be between 110 and 160 beats per minute. There are three options to monitor your baby’s heart rate. For newborns, a resting heart rate of more than 160 beats/minute is considered tachycardia. 60-100 BPM. I also have the flu, and had fever so doctor said its common that when mom is going through something, baby heart rate can go up. What should my resting heart rate be while pregnant? During pregnancy, the amount of blood pumped by the heart (cardiac output) increases by 30 to 50%. The loss of body fluids through poor feeding, excessive perspiration, vomiting or diarrhea can reduce blood volume, causing the heart to beat faster to maintain normal blood pressure. (917) 310-3371 Feb 23, 2021 · The goal is to lower the patient's blood pressure to between 140/90 and 150/100 to prevent prolonged exposure to severely high blood pressure. I am been feeling fine went to my midwife appointment this morning and as she used the doppler she said the baby's heart rate was very high in the 180s we waited for a bit still didnt change so she sent me to L&D. 105–127. When is a heart rate too high? And what does a fast heart rate mean? May 29, 2024 · SVT is also known as atrial tachycardia. Experts now say you don’t need to stick to any specific heart rate limits while exercising during pregnancy. For most adults, a resting heart rate should be between 60 bpm and 100 bpm. Heart rate 170 is that too high? Thread starter NikkiM; Start date May 17, 2009 May 17, 2009 80-120 BPM. The rapidly beating heart prevents the heart chambers from filling completely between contractions (beats Fetal heart rate monitoring measures the heart rate and rhythm of your baby (fetus). but as per my smart watch my average heart rate is 185b. A fetal heart rate is between 110 and 160 beats per minute (bpm), though it may be higher or lower Feb 3, 2024 · A study of a group of first-trimester babies calculated that the baby boys had an average heart rate of 154. com Respiratory newborn ranges paediatric texts intervention21 awesome fetal heart rate by week chart. So, 200 beats per minute are bad for you in this case. Clinical assessment. A fetal heart rate below 90 beats per minutes is associated with a 86% miscarriage rate, and a fetal heart rate below 120 bpm is associated with an approximately 50% miscarriage rate. p. So much science. A rate that is too high or too low can affect how blood and oxygen circulate in the body. Sep 9, 2000 · The results of your treadmill test were interesting. in an umbilical cord acid base report which value determines the physiologic functioning of the newborn. m (running 5k) with max’s at 197, 200 and one time it was 210 which it could not be possible… Dec 8, 2018 · Never disregard or delay professional medical advice in person because of anything on HealthTap. Call the doctor if several readings are at or above 170/110 without any symptoms. heart attacks. This is when sensors are strapped to your abdomen. I know that I have difficulty lying on my back for the appointment (difficulty breathing and my lips will tingle from the pressure of baby on me) and so we Jun 24, 2024 · Fetal heart rate. The rate at any given time is often related to the movement of the baby. Irregular heart rhythms, called arrhythmias, are one cause. 7 bpm. 9 beats per minute, and girls had an average heart rate of 151. heart failure. Heart rate. Surpassing 220 minus your age in maximum heart rate is an emergency red flag. For example, if your heart rate is too low for your desired intensity, you need to push harder. said it was normal. During week 9 it can get as high as 195bpm. A blood pressure reading of 170/110 coupled with symptoms such as headache, nausea, blurry vision, chest pain and shortness of breath point to a hypertensive emergency. 7 bpm (plus or minus 22. A person’s heart Jun 9, 2022 · A healthy newborn could have a sleeping heart rate of 90 to 160 bpm and an awake heart rate of 100 to 190 bpm — or even 205 bpm when crying. Justmeandbaby123. which max h. Call the doctor if several readings are at or above 170/85 without any symptoms. The doctor had me come back 1. During this time, the care team will frequently check your blood pressure and monitor the baby for signs of distress, such as changes in fetal activity or heart rate. This is a rare condition, occurring in only 1-2% of pregnancies, and Jan 17, 2019 · 1. 10–15% in the second trimester. Google says it should be dropping, and should be around 150 by now if not lower. In other words, this myth is busted. Then she was like Hmm. My doctor said my baby s HR was 170. It can vary by 5 to 25 beats per minute. Sep 11, 2019 at 9:05 AM. Respiratory (breathing) rate. Feb 8, 2024 · 75–112. Just as concerning as the speed itself is an irregular rhythm or wide variability in beat intensity. tz ig ur li nd oy vv kj pi bs