I have not had my period for last 2 months due to thyroid then this month my thyroid was gone as reported by doctor. Then me and my boyfriend had oral sex it was not penetrative just oral and then I took ipill the next day for safety. For my periods my doctor consulted me to take gynaset, my period came 4 days after taking gynaset which lasted for 3 days and were heavy. Should I panic if it was implantation bleeding?(i am not in my hometown in latur for studies so just concerned)