Can sex make your period preadvance 4-5 days?

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

My period has been a day or two shorter for three months. I usually have it 7. but now I have it 5. What's wrong with me? I H...

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

okay what if u get ur periods late liek 5 dayz late den expected date can u still be pregnnat and had a unprotected ...

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

My longtime boyfriend and I had unprotected sex four days after my period ended. He ejaculated inside of me. I am on a 28 day...

I started having cramps today, which felt like labor pains, and my boyfriend and I had sex 4 days ago, so I am wondering coul...

I had sex after my periods like 4 days after can I be pregnant or not?

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

i had sex the last day of my period (actually its the day where i had a few drops of blood) anyway my cycle is usually betwee...