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Prenatal testing. Ultrasound. Ultrasound images have many uses during pregnancy. used to determine due dates , reveal the presence of twins or other multiples, rule out ectopic pregnancies.
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Ultrasound • Ultrasound images have many uses during pregnancy. • used to determine due dates, • reveal the presence of twins or other multiples, • rule out ectopic pregnancies. • helping to detect potential problems, birth defects, placental issues, breech positioning, and others. • learning the sex of baby. • doctors can estimate how large a baby is just before delivery.
Amniocentesis • Amniotic fluid contains live fetal skin cells and other substances, such as alpha-fetoprotein (AFP). These substances provide important information about your baby's health before birth. • procedure is usually scheduled between the 15th and 18th week. • There is a small risk that an amniocentesis could cause a miscarriage (less than 1%, or approximately 1 in 200 to 1 in 400). • Injury to the baby or mother, infection, and preterm labor are other potential complications that can occur, but are extremely rare.
Amniocentesis • look for certain types of birth defects, such as Down syndrome, • a small risk for both the mother and her baby, the prenatal test is generally offered to women who have a significant risk for genetic diseases, including those who: • Have an abnormal ultrasound • Have a family history of certain birth defects • Have previously had a child or pregnancy with a birth defect • Will be 35 or older at the time of delivery
Chorionic Villus Sampling (CVS) • Completed earlier in pregnancy. • Weeks 10-12 • Determine chromosomal defects • Small sample is taken from placenta • If genetic disorders run in family • Mother is over 35