LMWH is a safe and effective thromboprophylactic treatment for women with thrombophilia and recurrent IVF-ET failures. The implantation rate, pregnancy and live birth rates are significantly increased with such treatment.

The incidence and recurrence rate of LUF are significantly increased in subsequent cycles of IUI. In these patients, other options of infertility treatment might be justified.

The administration of GnRH-a at the time of OPU significantly improves the implantation and pregnancy rates in patients with thin endometrium (