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Expectant and Postpartum Moms
Reply to "Fetal Fraction at 21 weeks"
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[quote=Anonymous]I'm a high risk pregnancy due to recurrent miscarriage with trisomy, PCOS, and hypothyroidism. Instead of the traditional second trimester screening, I opted for the MaterNiT21 test. Thankfully, the test came back negative for Trisomy 21/13/18. The odd thing is, my fetal fraction was only 7%. That seems low for 21 weeks gestation. I understand it is high enough to be accurate for the trisomy screenings, but the actual fraction seems like it should be higher. I'm not overweight. My check up the other day revealed a heartrate of 153, normal blood pressure, normal thyroid levels, normal glucose levels, a normal fundal height, I've gained 12lbs since pre-pregnancy, and the baby is kicking away. I take 112mg of Synthroid and 1000mg of Metformin each day. Perhaps I'm just worried due to my previous pregnancy losses. Does my fetal fraction mean anything? [/quote]
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