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. • 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.
3d ultrasound
Amniocentesis
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
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