When does foetus develop a heartbeat?

This is a wonderful moment for new parents-to-be when they hear a baby's heartbeat for the very first time. 5 1/2 to 6 weeks following conception, a transvaginal ultrasound may identify the embryonic heartbeat. At this point, an embryo's foetal pole, which is the first visual indicator of its development may be seen. However, a heartbeat can be more reliably detected during the sixth and seventh weeks of pregnancy. Pregnancy ultrasounds may begin at this time to check for indicators of a healthy pregnancy. Let us explore more about foetus heartbeat detection mechanism and when does foetus develop a heartbeat?

Detection of the heart beat
An ultrasound technician or a doctor will perform a transvaginal ultrasound at your initial appointment. Early in pregnancy, transvaginal ultrasounds are utilised to provide a clear picture of an embryo. The foetus and your internal organs can be seen in more detail thanks to a 3D ultrasound, which provides three-dimensional depth, width, and height information. It's extremely difficult, perhaps not impossible, to hear a foetal heartbeat with the human ear. However, many pregnant women claim that they can hear their baby's heartbeat through their wombs, although this is not always true. A quiet room and the end of the second or third trimester are the most suitable times for this experiment. If you are anxious about the heartbeat of your unborn child, the best course of action is to consult with your primary care physician. They can arrange for a scan to verify that the heartbeat of your unborn child is normal.

What if the heart beat is not heard?
At your initial ultrasound, you may not be able to hear the heartbeat of your baby. The most typical reason for this is that the pregnancy is too early. This doesn't necessarily imply that there is an issue, but there could be. A follow-up ultrasound may be recommended by your doctor. The foetal measures will be checked if the heartbeat is still not present after a second scan. In cases where an embryo's crown-rump length is larger than 5 millimetres, your doctor may be concerned.
You may also be concerned if there is no gestational sac after week six. To be sure you're pregnant, your doctor may order a blood test or have you return a few days later for another ultrasound.

Changes in heart rate
Your baby's heart will continue to grow throughout your pregnancy. During the first several weeks of pregnancy, the foetus’s heartbeat is between 90 and 110 beats per minute. It will peak between weeks 9 and 10 between 140 and 170 beats per minute.
Between 110 and 160 beats per minute is considered a normal foetal heartbeat. Keep in mind that your baby's heartbeat can change throughout the course of your pregnancy and at each of your routine check-ups. Talk to your doctor if you're concerned about your baby's heart rate. Heartbeat monitoring can be done throughout pregnancy and into labour and delivery by prenatal care providers.

Note: The purpose of this article is to create general awareness among the readers. The information provided is not meant to be used for self-diagnosis or as a substitute to medical practitioner's recommendations. Kindly consult your gynecologist for better understanding of your baby's development.

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