Preeclampsia (PE) occurs in 3- 12% of pregnancy and that was no changed during the last century. PE is a leading cause of maternal morbidity and mortality worldwide, accounting for more than 46,000 maternal deaths and ...

A pineal gland attracts much attention of scientists lately, because it secrets melatonin, which is a very important hormone. Melatonin plays a significant role in the development of pregnancy: it enhances implantation, ...

Ovarian hyperstimulation syndrome (OHSS) is the most serious consequence of induction of ovulation, as part of assisted conception techniques. Although the ultimate physiologic mechanism of OHSS is not yet known, there are ...