Pregnancy : 1st Trimester - Tests and Procedures

According to the U.S. Department of Health & HumanTo find out for sure if the fetus has a birth defect,
Services your spouse may need other lab tests, likeNTS must be followed by a diagnostic test like
blood or urine tests, cultures for infections, or ultrasoundchorionic villus sampling or amniocentesis. NTS is not
exams in the first trimester, for special genetic oryet widely used. If you and your spouse are interested
medical reasons. The doctor will discuss them with youin NTS, talk to your doctor. If she is unable to do the
and your spouse during your visits. The most commontest, she can refer you to someone who can. Your
tests recommended in the first trimester include:spouse should also call her insurance company to find
Nuchal translucency screening (NTS)out if they cover the cost of this procedure.
This new type of screening can be done between 11According to the U.S. Department of Health & Human
and 14 weeks of pregnancy. It uses an ultrasound andServices, NTS allows women to find out early if there
blood test to calculate the risk of some birth defects.are potential health problems with the fetus. This may
Doctors use the ultrasound exam to check thehelp them decide whether to have follow-up tests.
thickness of the back of the fetus' neck. They alsoChorionic villus sampling (CVS)
test your spouse's blood for levels of a protein calledCVS is performed between 10 and 12 weeks of
pregnancy-associated plasma protein and a hormonepregnancy. In CVS, the doctor inserts a needle through
called human chorionic gonadotropin (hCG). Doctorsthe abdomen or inserts a catheter through the cervix
use this information to tell if the fetus has a normal orto reach the placenta. The doctor then takes a sample
greater than normal chance of having some birthof cells from the placenta. Experts use this sample to
defects.look for problems with the baby's chromosomes. This
In an important recent study, NTS found 87% of casestest cannot find out whether your baby has open
of Down syndrome when done at 11 weeks ofneural tube defects.
pregnancy. When NTS was followed by another bloodAccording to the U.S. Department of Health & Human
test done in the second trimester (maternal serumServices, about 1 in 200 women have a miscarriage as
screening test), 95% of fetuses with Down syndromea result of this test.
were identified. Like all screening tests, the results arePregnancy can be a challenging phase for your
sometimes misleading. According to the U.S.spouse. Maintaining a healthy posture will help her keep
Department of Health & Human Services, in 5% ofmany problems away. Sometimes being a dad takes
women who have NTS, results show that their babiesa little wise perspective…... You can exchange
have a high risk of having a birth defect when theyadvice, tricks, tips, and solutions to common dad
are actually healthy. This is called a false positive.problems here.