Is it bad to have sex on your period?

after sex does it make your period heavier or does it stay the same.

is it a bad idea to have sex whilst on your period. and if yes y??

For the past month,everytime I have sex I start bleeding 2 days after...what could this be?

About how many days should I wait to have sex..after my period.? I'm on birth control too!

Well I was wondering if it is bad to have sex for a long period of time? And how does a guy get an orgasm? Do I have to suck ...

I have just had sex with my boyfriend and im bleeding realy bad is that a bad thing???

okay I had sex and took the morning after pill. my period came ten days early and in between that period and my next I did ha...

Is it bad if you have sex during your period? With no protection? Me & my boyfriend know we dont have any disease we both wen...

If you have sex, does your period lag it a bit? And also, does your period come a week sooner every month?? So say that you ...

If you cum during sex while on your period do it make you bleed heavier?