تست PAPP-A

Weeks                 Median
8     to 8+6d         0.23-0.36
9     to 9+6d         0.39-0.63
10 to 10+6d          0.68-1.09
11 to 11+6d         1.18-1.89
12 to 12+6d         2.04-3.27
13 to 13+6d         3.54-5.67
14 to 14+6d         6.13-9.83
15 to 15+6d         10.64-17.04
16 to 16+6d         18.44-29.55
17 to 17+6d         31.97-51.23
18 to 18+6d         55.42-88.81
19 to19+6d          96.08-153.97