Pregnancy-associated plasma protein A (PAPP-A).
Calculator
8-9 weeks
< 0.17 mIU/ml - Low level< 1.54 mIU/ml - Normal level
9-10 weeks
< 0.32 mIU/ml - Low level< 2.42 mIU/ml - Normal level
10-11 weeks
< 0.46 mIU/ml - Low level< 3.73 mIU/ml - Normal level
11-12 weeks
< 0.79 mIU/ml - Low level< 4.76 mIU/ml - Normal level
12-13 weeks
< 1.03 mIU/ml - Low level< 6.01 mIU/ml - Normal level
13-14 weeks
< 1.47 mIU/ml - Low level< 8.54 mIU/ml - Normal level