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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.
Virtually all of the effects of pregnancy can be attributed in some way to the influence of hormonesâparticularly estrogens, progesterone, and hCG. During weeks 7â12 from the LMP, the pregnancy hormones are primarily generated by the corpus luteum.