Dose every girl have 2 have her period every month

k so I have my period every other month the second friday of the month but I cant figure out why I skip every other month......

Why do girls sometimes get their period twice in one month???

hey pplz I have a weird question but anyways I have had my period for like three years but in October of 2008 I just started ...

and is it bad if i dnt get cramps BUT get them after my period somtimes?

is it normal to have your period 2 times in 1 month... because ihad mine to the tenth then I got mine again on the 27th...? w...

please help!! my husband and I are trying to have a baby for almost a year now, still no result. I missed my period for almos...

for the past two years give or take my periods are very irregular I will go 2 ,3 or even more without a period why I am not p...

I've had my periods since just before the start of year 8 and I'm in year 9 now, they had always been at the end of the month...

Can I still get pregnant with a period every 17 days? I've had a misscariage 5 months ago?

Okay so I did it on like november 22nd unprotected. And I had a period every month since then. Could I still be pregnant??