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I recently had unprotected s_x exactly three weeks ago. It was the first time that i ever bled after. I still got my period, but it was not as heavy as normal. My moods have definatley changed,and i am more sensitive to even little things. My appet_te has heightened more then is has before, and as for at night and morning and sometimes during the day i feel nausea. Not to the point where i feel like throwing up though. Stress has been a factor but i still want to know how soon i should take a test. And you thoughs on it.