Additional file 1 of Low-dose human menopausal gonadotrophin versus natural cycles in intrauterine insemination for subfertile couples with regular menstruation

Additional file 1: Table S1. Clinical pregnancy (including intrauterine pregnancy and ectopic pregnancy) follow-up of twin and singleton pregnancy. Table S2. Intrauterine twin and singleton pregnancy (excluding ectopic pregnancy). Table S3.Follow-up of live birth in twin and singleton pregnancy.