is it possible to start your period a week early? . i have been keeping up with ovualtion and i was ovulating saturday march 10 i had sex friday(9) and on sunday(11). started cramping during the week and was throwing up and nasuea on thursday(14) and friday(15). and now on the 17 of march i am bleeding and it doesnt feel like a normal period. im crampin more and its light one minute and heavy the next
yes it is possible and not uncommon. if you keep doing this month after month or several times in a year you need to see a gynecologist about it. you may need to have your periods regulated (often done with birth control pills)