4.

两组妊娠结局的比较

Comparison of clinical pregnancy outcomes between the two groups [n (%)]

Characteristics	Group A (n=135)	Group B (n=74)	P
Group A: Patients applied Crinone gel combined with dydrogesterone tablets; Group B: Patients applied Utrogestan capsules combined with dydrogesterone tablets.
Biochemical pregnancy rate	94/135 (69.63%)	58/74 (78.38%)	0.17
Clinical pregnancy rate	85/135 (62.96%)	54/74 (72.97%)	0.14
Miscarriage rate	11/85 (12.94%)	6/54 (11.11%)	0.75
Vaginal bleeding rate	17/85 (20%)	15/54 (27.78%)	0.29
Miscarriage rate in patients with vaginal bleeding	6/17 (35.29%)	3/15 (20%)	0.34