Vaginal bleeding and uterine cramps between weeks 6 and 12 of pregnancy with a previous diagnosis of inadequate luteal phase, live embryo by ultrasound
25 25
Vaginal progesterone: micronized, 90 mg, once per day for 5 days Control: placebo using the same method
Vaginal bleeding until the 20th week of pregnancy, live singleton by ultrasound
30 30
Vaginal progesterone: micronized, 400 mg, once per day until bleeding stopped within less than 1 week Control: conservative treatment
Adamed Inc., Poland; limited information was available because the study was published only in abstract form; unclear data regarding the duration of treatment; Crinone 8%® (progesterone gel, Merck Serono Inc., Germany); Cyclogest® (Actavis Inc., UK).