youssif@bigpond.net.au
Antenatal Tests
Keep your visits, have your checks and tests in time
Common Prenatal Tests: During your regular checkups, you will have your weight recorded, your blood pressure checked and a urine sample tested for sugar and protein (which can signal gestational diabetes or pregnancy-induced high blood pressure). Finally, your womb height measuredto see if your baby is growing at the expected rate.
Routine Screen
In the first trimester includes, but is not limited to, a full blood count (FBC), blood typing (including Rh screen), blood group antibodies, Rubella, Hepatitis B, Hepatitis C, HIV, Treponmal screen and urine analysis.
Other viral screen
may include Parvo virus [slap cheek], Toxoplasma, CMV and Varicelle Zoster [chicken pox virus].
Genetic Counseling or Test
may be advised based on your health, previous pregnancy or family history. Genetic counseling is best done early in pregnancy. Down's syndrome screening Tests include Ultrasound Nuchal Fold Assessment at 12-13 weeks, Maternal serum screening in first trimester 10-12 weeks or second trimester Quadruple test at 15-18 weeks. Combined Test include the Nuchal fold at 12-13 weeks and Maternal serum screen at 10-12 weeks.
Down's syndrome Diagnostic Tests
include Chorion Villus Sampling at 10-12 weeks and Amniocentesis at 15-18 weeks and both are done under ultrasound control.
Ultrasound
is performed early in pregnancy to confirm viability, duration, number of fetuses and can exclude ectopic pregnancy. Ultrasound; at 18-20 weeks assess fetal anatomy to diagnose most but not all fetal abnormalities.
Diabetes screen
is performed around 26-28 weeks.
Group B-Streptcocci screen
is done at 36 weeks
Ultrasound in late pregnancy
to assess fetal growth, placental localization, liquor volume, blood flow through umbilical artery, fetal lie and help to obtain fetal blood sample from umbilical cord if necessary.
In Reusus negative mums
Rheusus antibodies Screen is repeated at 26 and 34 weeks and imunoglobulins are given to protect against formation of Rhesus Antibodies in mother.
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