Table 3.

Basic characteristics of the study population for the pregnant group and non-pregnant group

	Pregnant group	Non-pregnant group	P
Female, age (year)	28.32±3.32	28.76±3.48	NS
Female, BMI	23.66±3.79	23.48±3.97	NS
Male, age (year)	29.65±3.72	30.05±4.00	NS
Male, BMI	26.35±16.28	26.85±18.29	NS
Infertility years	2.51±1.43	2.67±2.45	NS
Baseline hormones
FSH (IU/L)	7.11±1.92	7.19±1.99	NS
LH (IU/L)	7.97±9.97	7.33±8.29	NS
PRL (mIU/L)	311.20±173.90	302.01±155.42	NS
E2 (pmol/L)	173.60±195.53	175.15±81.91	NS
T (pmol/L)	1.66±0.70	1.64±0.71	NS
P (nmol/L)	2.08±1.45	2.24±2.54	NS
AMH (ng/mL)	6.00±3.69	5.22±3.46**	0.001519
Subjects in AMH categories by age
20-30	6.32±3.71	5.62±3.61*	0.017
31-34	5.20±3.67	4.36±2.90	NS
≥35	3.84±1.83	3.77±2.57	NS

*P<0.05, **P<0.01. NS=Non-significant, BMI=Body mass index, FSH=Follicle-stimulating hormone, LH=Luteinising hormone, PRL=Prolactin, E2=Oestradiol, AMH=Anti-Mullerian hormone, T=Testosterone, P=Progesterone