hi, my husband and i decided to have a baby, monday night we had sex and an hour or two later i started bleeding, it was my period. my period it usually very heavy and lasts three days it is always the same. we continued to have sex while i was on my period once a day. my period was different though because it was lighter then what i am used to. i stopped bleeding friday morning but began to spot and later that day i threw up. i am still spotting today. what does this mean?