Lab Tests Chart for Pregnancy |
Amniotic fluid test(AFT) An amniocentesis(AFT) can also be done during the third trimester of the pregnancy to determine if the baby's lungs are mature enough for delivery, or to evaluate the amniotic fluid for infection. Best time to get tested After week 32 of pregnancy if risk of pre-term delivery Sampling Mother (amniotic fluid)
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Fetal fibronectin test Fetal fibronectin (fFN) is a fibronectin protein produced by fetal cells. It is found at the interface of the chorion and the decidua (between the fetal sac and the uterine lining).
It can be thought of as an adhesive or "biological glue" that binds the fetal sac to the uterine lining.Fetal fibronectin is often present in vaginal discharge before week 22 of pregnancy. Fetal fibronectin also begins to break down and can be detected in vaginal discharge toward the end of pregnancy.The fetal fibronectin test is used to help evaluate a pregnant woman's risk of preterm delivery. Best time to get tested Between weeks 35 and 37 of pregnancy Sampling Mother (cervical or vaginal fluid sample)
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Group b streptococcus pregnancy screening Group B streptococcus (GBS) is a type of bacterial infection that can be found in a pregnant woman¡¯s vagina or rectum.A mother can pass GBS to her baby during delivery. This can harm the baby during birth and infect the mother¡¯s uterus, urinary tract, and any incision made during a cesarean section. Best time to get tested Between weeks 35 and 37 of pregnancy Sampling Mother (specimen from vaginal and rectal areas)
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A 36-week ultrasound Third trimester ultrasounds view the baby¡¯s size, position and movements and check for any complications.If you're over age 35, your doctor wants to closely monitor your baby's growth, you may get one or more before baby is born. Best time to get tested At 36 weeks
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