Table 1.

Baseline characteristics by pregnancy outcome

	All participants (n=112)	Ongoing Pregnancy			Pregnancy
		Positive (n=62)	Negative (n=50)	p-value	Positive (n=74)	Negative (n=38)	p-value
Age, Mean (SD)	36.4 (4.2)	35.4 (3.8)	37.7 (4.3)	0.03a	35.9 (3.9)	37.5 (4.5)	0.06a
Years of infertility, Mean (SD)	2.4 (2.1)	2.3 (2.0)	2.6 (2.2)	0.64a	2.5 (2.2)	2.3 (2.0)	0.55a
Diagnosis, n (%)				0.004b			0.32b
Decreased ovarian reserve	36 (32.1)	11(17.7)	25(50.0)		19(25.7)	17(44.7)
Male	34 (30.4)	27(43.5)	7(14.0)		27(36.5)	7(18.6)
Tubal	12 (10.7)	7 (11.3)	5(10.0)		8(10.8)	4(10.5)
Ovulatory	11(9.8)	6(9.7)	5(10.0)		8(10.8)	3(7.9)
Unexplained	8 (7.1)	5 (8.1)	3(6.0)		5(6.8)	3(7.9)
Other	11(9.8)	6(9.7)	5(10.0)		7(9.5)	4(10.8)
Body Mass Index, Mean (SD)	23.7 (4.5)	23.3 (4.0)	24.3 (5.1)	0.30a	23.6 (4.2)	24.1 (5.2)	0.63a
Day 3 FSH (mIU/ml), Mean (SD)	8.3 (4.0)	7.6 (2.6)	9.2 (5.0)	0.05a	7.8 (3)	9.1 (5.2)	0.16a
Antral follicle count, Mean (SD)	17.3 (12.1)	19.1(12)	15 (11.9)	0.07a	18.4(11.9)	15 (12.2)	0.16a
Gravidity, n (%)
0	60(53.6)	32 (51.6)	28(56.0)	0.75b	38(51.4)	22(57.9)	0.79b
1-2	43(38.4)	24(38.7)	19(38.0)		30(40.1)	13(34.2)
>2	9 (8.0)	6(9.6)	3(6.0)		6 (8.1)	3(7.9)
Day 3 Transfer, n (%)	44 (39.3)	27(43.5)	17(34.0)	0.40c	23 (31.1)	21(55.3)	0.01c
Retrieved oocytes, Mean (SD)	11.2 (6.6)	12.8 (7.1)	9.3 (5.4)	0.005a	12.2 (6.9)	9.3 (5.7)	0.03a
% fertilization, Mean (SD)	69.9 (20.3)	70.1 (17.8)	69.5 (23.2)	0.93a	71.1 (19.0)	66.6 (23.0)	0.30a
Embryos transferred, n (%) b
1	28 (25.0)	14 (22.6)	14 (28.0)	0.23b	18 (24.3)	10 (26.3)	0.44b
2	59 (52.7)	37 (59.7)	22 (44.0)		45(60.8)	19 (50.0)
>2	25 (22.3)	11 (17.7)	14 (28.0)		11(14.9)	9 (23.7)

^aStudent’s t-test,

^bFisher’s exact test,

^cChi-square