p5 , 20p5 , 16p5 and 20p4 levels were significantly lower in the case of anencephalic pregnancy ( anc ) at 3rd trimester than in normal pregnancy , especially 16p5 levels ( 22.2 +/- 5.0 ng/ml ) showed 1/5 of those in normal pregnancy .
C0032961
pregnancy
C0032981
3rd trimester