Now, Add Pimples to the List (New York Times)

AS if packing on dozens of pounds isn?t bad enough, many pregnant women revert to their high school years, dermatologically speaking. It?s no surprise why they get pimples, really: During pregnancy, the body manufactures high levels of estrogen and progesterone. In turn, oil glands produce large quantities of sebum, which clogs oil glands, trapping bacteria and causing blackheads.