![]() ![]() During amniocentesis, a sample of the fluid that surrounds and protects a baby during pregnancy is removed from the uterus for testing. If your results are concerning, your doctor will recommend a diagnostic test, typically an amniocentesis. Blood tests might be offered to screen for genetic or chromosomal conditions, such as spina bifida or Down syndrome. You'll likely notice flutters for the first time around 18 to 20 weeks of pregnancy.ĭuring the second trimester, you might be offered various prenatal screenings or tests: Keep in mind that mothers notice these movements at different times, and movement at this time in pregnancy is typically unpredictable. Tell your health care provider when you begin noticing flutters or kicks. The Doppler instrument detects motion and conveys it as sound. ![]() At second trimester visits, you might hear your baby's heartbeat using a Doppler instrument. After 20 weeks of pregnancy, this measurement in centimeters often matches the number of weeks you've been pregnant, plus or minus 2 centimeters. By measuring the distance from the pubic bone to the top of your uterus (fundal height), your health care provider can gauge your baby's growth. Then it's time for your baby to take center stage. Do not stop or start taking any medicines without talking to your doctor first.Your health care provider will check your blood pressure and weight at every visit. Some of your routine medicines may need to be changed to protect your baby.
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