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December 16, 2011 - 04:32. Having sex more often can reduce the risk of developing a serious medical condition called pre-eclampsia during pregnancy. Sperm contains a special protein that increases the chances for a successful pregnancy.
Progesterone plays a key role during pregnancy. In early pregnancy, it helps your uterus (womb) grow and keeps it from having contractions. If you have contractions in early pregnancy, it may lead to miscarriage. This is the death of a baby in the womb before 20 weeks of pregnancy.