Table 2.

Comparison of screening markers in the PCOS and control groups

Variables	PCOS (n = 90)	Control (n = 90)	P-value
NT (mm)*	1.6 ± 0.38	1.41 ± 0.36	0.37
Free β-HCG (ng/ml)*	34.42 ± 18.92	28.99 ± 18.80	0.04
PAPP-A (mu/ml)*	4903.80 ± 8571.87	2994.93 ± 1626.76	0.59
AFP (ng/ml)**	38.34 ± 15.91	32.14 ± 15.13	0.02
HCG (mu/ml)*	19496.31 ± 16694.98	177199.21 ± 18877.56	0.11
UE3 (ng/ml)*	2.3 ± 1.89	2.01 ± 1.12	0.45
Inhibin-A (pg/ml)*	276.14 ± 129.38	223.44 ± 102.07	0.001

PCOS: Polycystic Ovary Syndrome, NT: Nuchal Translucency, Free β-HCG: Free Beta-Human Chorionic Gonadotropin, PAPP-A: Plasma Protein A, AFP: Alpha Fetoprotein, HCG: Human Chorionic Gonadotropin, UE3: Unconjugated Estriol

*Values are given as mean ± SD using Mann-Whitney’s U test

**Values are given as mean ± SD using students T-test