Table 1.

The background and indications of ART treatment among three groups

	Group A	Group B	Group C
Number of patients	151	26	14
Number of stimulated cycles	151	26	14
Age (years)	36.2 ± 3.5 (25–45)	36.8 ± 4.4 (28–44)	38.1 ± 4.3 (29–44)
Duration of infertility (years)	3.5 ± 2.8 (0.3–15)	2.8 ± 2.1 (0–8)	4.6 ± 4.6 (0.5–16)
Number of previous ART attempts (times)	0.8 ± 1.9 (0–10)	0.8 ± 1.7 (0–8)	1.6 ± 2.2 (0–7)
Percentage of ICSI cycles (%)	11.3	3.8	14.3
Indication (%)
Tubal factor	28.5	23.1	14.3
Male factor	15.9	7.7	28.6
Unexplained infertility	39.7	42.3	35.7
Endometriosis	15.9	26.9	21.4

Values are mean ± SD

Parentheses are ranges.