A triple screen is a blood test that measures three things called alpha-fetoprotein, human chorionic gonadotropin and unconjugated estriol. The results of the blood test can help your doctor see if your baby may be at higher risk for certain birth defects.

SPECIMEN: 3 mL (1.5 mL min.) serum from 1 SST. Ship refrigerated or frozen. Provide maternal Date of birth (dd/mm/yy); LMP or Ultrasound; IVF, Number of Fetuses (Single/ Twins); Diabetic status and Body Weight in Kg, Smoking & Previous history of Trisomy 21 pregnancy. Duly filled Maternal Serum Screen requisition form (Form 11) is mandatory. Valid between 14-22 weeks gestation (Ideal 15-20 weeks).

STABILITY: Room: 2 hrs; Refrigerated: 1 week; Frozen: 4 weeks

REPORT: Daily

PRE-TEST INFORMATION: Provide maternal Date of birth (dd/mm/yy); LMP or Ultrasound; IVF, Number of Fetuses (Single/ Twins); Diabetic status and Body Weight in Kg, Smoking & Previous history of Trisomy 21 pregnancy. Duly filled Maternal Serum Screen requisition form (Form 11) is mandatory. Valid between 14-22 weeks gestation (Ideal 15-20 weeks).

USAGE: The Triple Screen test is used for Prenatal Screening of Down Syndrome (Trisomy 21), Edward’s Syndrome (Trisomy 18) and Open Neural Tube Defects. The approximate detection rate with this test is 55–65% with a false positive rate of 5%.