Normal heartbeat of baby during pregnancy12/10/2023 ![]() ![]() Week 28 marks the start of the third trimester. This makes their skin appear smoother and less wrinkled. Your baby continues to put on weight, as more and more fat appears under the skin. Your doctor or midwife will be able to hear your baby's heartbeat using a special stethoscope. Week 27 marks the last week of the second trimester. Their brain, lungs and digestive system are in place. It allows the air sacs of their lungs to expand and deflate during breathing. Their lungs are producing an important substance called surfactant. This is like the length of a spring onion (scallion). However, did you know that your babys heartbeat actually starts during your second month of pregnancy During your second month, your babys heart is now. A fetuss heart rate will usually range between 110 to 160 beats per minute (bpm), but it can vary throughout pregnancy. Week 26 of pregnancyĪt 26 weeks your baby is around 36cm long. This is still much faster than your own heart rate. It is not until some weeks after the birth that your baby's eyes become the colour they will stay.īy now your unborn baby's heart rate will have slowed to around 140 beats per minute. Their eyelids open for the first time and they will soon start blinking. Sometimes they may get hiccups and you can feel the jerk of each hiccup. Talk and sing to them and encourage your partner to do the same.Īt this stage, your baby is peeing into the amniotic fluid. During pregnancy, the amount of blood pumped by the heart (cardiac output) increases by 30. By the end of pregnancy, the uterus is receiving one fifth of the woman’s prepregnancy blood supply. They may respond to your voice with movement. During pregnancy, the woman’s heart must work harder because as the fetus grows, the heart must pump more blood to the uterus. A loud noise may make them jump and kick. Your baby is moving about and responds to touch and sound. ![]()
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