This group will receive oral clomiphene citrate 50 mg tablet, two times per day from the third day of the cycle until the seventh day of the cycle plus oral carnitine 1g tablet, three times per day from the third day until the day of the pregnancy test.

This group will receive oral clomiphene citrate 50 mg tablet, two times per day from the third day of the cycle until the seventh day of the cycle plus oral placebo tablet, three times per day from the third day until the day of the pregnancy test.

oral 50 mg tablets

visible intra-uterine gestational sac, with a positive fetal heart beat, viewed during a transvaginal ultrasound (when the b-hCG concentration was more than 1500 IU/l)