Live birth rate comparison of three controlled ovarian stimulation protocols for in vitro fertilization-embryo transfer in patients with diminished ovarian reserve after endometrioma cystectomy: a retrospective study

Table 2 Controlled ovarian stimulation parameters and IVF cycles characteristics in patients with surgery-induced DOR

	Group A	Group B	Group C	P value
Gonadotrophin duration (days)	12.90 ± 5.22^a	9.83 ± 1.74 ^b	10.08 ± 2.22 ^b	<0.001
Gonadotrophin dosage (IU)	3493.75 ± 1014.37^a	2581.61 ± 827.11^b	2594.24 ± 1057.56^b	<0.001
Endometrial thickness on hCG day (mm)	10.89 ± 2.67	10.55 ± 1.94	10.12 ± 2.60	NS
LH on hCG day (IU/L)	2.15 ± 1.60	2.92 ± 2.64	2.60 ± 2.62	NS
E₂ on hCG day (pg/ml)	1713.34 ± 1167.44	1454.26 ± 853.82	1481.74 ± 916.48	NS
Progesterone on hCG day (ng/ml)	0.97 ± 1.16	0.82 ± 0.73	1.02 ± 1.53	NS
Number of oocytes retrieved	4.03 ± 1.93	3.67 ± 1.92	4.13 ± 2.04	NS
Number of fertilized oocytes	3.11 ± 1.63	2.69 ± 1.52	3.00 ± 1.46	NS
Oocyte fertilization rate (%)	78.29 ± 25.28	73.52 ± 28.92	78.46 ± 24.78	NS

Statistical differences were calculated using the non-parametric Kruskal-Wallis H test, except for “oocyte fertilization rate” where the chi-square test was used
Significant at P < 0.05. Values are expressed as mean ± standard deviation unless stated otherwise
^aSignificantly different from group B and group C, P<0.001

ISSN: 1757-2215