Table 2. Univariate regression analysis of the variables predicting clinical pregnancy.

	OR	95%CI	p
Age (y)	0.903	0.858–0.950	<0.001
Total gonadotropin dose	0.972	0.940–1.005	0.095
Duration of stimulation (days)	1.070	0.954–1.201	0.248
AMH (ng/ml)	1.074	1.011–1.141	0.021
Inhibin B (pg/ml)	0.999	0.994–1.005	0.842
AFC	1.060	1.029–1.092	<0.001
Number of cumulus	1.076	1.042–1.111	<0.001
Number of mature oocytes	1.084	1.038–1.132	<0.001
Number of embryos transferred	4.040	2.554–6.338	<0.001
Good quality embryos	2.777	1.860–4.146	<0.001
LH (IU/L)	1.023	0.963–1.086	0.457
FSH (IU/L)	0.997	0.991–1.004	0.449
E2 (pg/ml)	0.997	0.991–1.003	0.335
T (ng/ml)	1.238	0.883–1.735	0.216
PRL 0′ (mU/L)	1.000	0.998–1.002	0.893
PRL 60′ (mU/L)	1.000	1–1	0.773
DHEAS (μg/dl.)	1.001	0.999–1.004	0.271
SHBG (ng/ml)	0.181	0.998–1.010	0.181
BMI (kg/m2)	1.005	0.998–1.013	0.150
Duration of infertility (y)	1.104	0.749–1.626	0.617