My girlfriend and I had protected sex the other day twice (morning and night), we used a condom and she is also on birth control. About two hours after our second time having sex she started to complain about a sharp pain in her right side. A little later she began to complain about just an overall tight feeling in her stomach. The next day we realize she has been constipated, and still is right now.Is it normal to get constipated after sex? We were somewhat rough.