Double Marker Test- First Trimester test in Kolkata

A duly filled Maternal Serum Screen requisition form is mandatory. Provide information like Maternal date of birth (dd/mm/yy), last date of the menstrual cycle (LMP), Number of fetuses (Single/Twins), Diabetic status and Body weight in kg, IVF, Smoking, Previous history of Trisomy 21 pregnancy. Keep a hard copy of the latest pregnancy ultrasound report (Date of scan, CRL, NT in mm/NB, Level 1) - this is mandatory for Combined risk assessment using a Dual marker test. The test is valid between 9 to 13 weeks of gestation (the ideal time for combined risk assessment is between 11 to 13 weeks).