At this time, you cannot feel these movements. Amniotic fluid cushions the baby and allows the baby to move around easily. The placenta has formed and blood is now circulating through the umbilical cord. Your baby can squint, frown, open and shut its mouth, turn its head, make a fist, and kick. The brain and spinal cord are developing rapidly. If there is a problem with the fetus’ heart rhythm, your doctor may suggest medications to decrease the risk of complications in the baby.Near the end of the first trimester (13 weeks gestation) your baby is about three inches long. Most congenital issues are corrected after the baby’s birth, either through surgery or medications. Though there is no treatment in utero, it helps the doctors decide when and how to deliver the baby. Considering that nearly 1% of births every year are known to have congenital i X An inherited or acquired condition that exists at birth heart defects, the doctor observes the structure of the heart to check for any congenital disabilities in the second ultrasound, or the 20th-week anatomy scan i X An ultrasound scan performed between 18 and 21 weeks of pregnancy to assess the fetal development (14). Your first prenatal ultrasound, which is scheduled sometime between the 6th and 9th week, confirms your pregnancy, determines the due date and monitors the heartbeat. It is used at the time of labor so that the FHR and uterine contractions can be monitored simultaneously. A wire that passes through the cervix helps measure the fetal heart rate.
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