Low-dose human menopausal gonadotrophin versus natural cycles in intrauterine insemination for subfertile couples with regular menstruation

Table 6 Multivariate logistic regression (maternal age ≥ 35 years old)

Characteristic	Clinical pregnancy		Live birth
Characteristic	OR(95%CI)	P	OR(95%CI)	P
Maternal age (year)	0.92 (0.82–1.03)	0.160	0.83 (0.71–0.97)	0.016
Maternal Body Mass Index (kg/m2)
18.5–24.9	reference
≤ 18.4	1.78 (0.85–3.71)	0.126	0.94 (0.35–2.51)	0.909
≥ 25	1.59 (0.82–3.02)	0.177	1.39 (0.65–2.99)	0.397
Duration of infertility	0.97 (0.87–1.06)	0.474	1.01 (0.91–1.11)	0.889
Ovarian stimulation
natural cycle	reference
one growth follicle in HMG cycle	0.99 (0.59–1.67)	0.968	0.67 (0.37–1.24)	0.206
two growth follicles in HMG cycle	0.70 (0.24–2.04)	0.515	0.39 (0.09–1.66)	0.201

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