Should you have sex before you start your period?

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

I have had sex but I haven't started my period yet. Could the sex have something to do with the fact I haven't started yet???

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

If your Having sex and you start your Period What does that mean?

Is this safe?? can anyon ehelp me please???

After sex under 1 week my periods starts and the bleeding is heavy as they before now again after 1 week bleeding start again...

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

OK UMM I STARTED MY PERIOD BUT I ONLY LAST THREE DAYS BUT IT LASTED A LIL LONGER I HAD FOUR DAYS AND THIS IS THE 5TH DAY AND...

I had sex before I started my period I'm dying to know am I pregnant or what

if you had sex on the feb 26th and you start your period 5 days later can you b pregnant