Why, did my periods become irregular after I lost my virginity?

does loseing your virginity cuase you to become irregular?

Help I dont know whats rong im late on my period but I am still a virgin and my stomik is killing me and I feel really noshis...

ok, im 15, I've had my period since I was 12 &im still a virgin but I was wondering why I havent got it this month..it's way ...

Can a girl still end up pregnant even if she has irregular periods; and maybe she just stops getting her period for awhile?

I have'nt lost my virginity but have lips that hang down what does this mean ?

okay I don't have a regular period never have I'll go 6 to 9 months with out having a period and im trying 2 get pregnant how...

I just got married and want kids but I skip my period like every other two months but sometimes I have like 2 months in a row...

I have an very irregular period.since I do have that when can I tell when I am fertile? does that mean I can't have a child?

A girl finished her periods on the 21st of june and mate on the 28th june and 6th july,however which date would she have got ...

I just lost my virginity. and my vagina hurts a bit and it's bleeding a bit for the past 3 days. it also smells quite strongl...