Can orgasm or sexual excitement stop a girl's term from coming?

I don't think so but im not sure.
Answers:

No, it cannot.
However, if the girl have sex and is pregnant, she will not get her interval for 9/10 months.

I just turned 19 and I'm 5'2 and i be wondering if I'm done growing or am i going to get taller?

Nope.

Yes!
Congratulations Mom!

What are the signs of sexual excitation in women?

Only if the orgasm occur during unprotected sex while her partner also orgasmed and ejaculated inside her vagina while she be ovulating. In that case, her spell would stop for 9 months because she would be PREGNANT.

Can i still get pregnant?

That by itself won't stop your term ( I wish it did~I'd never hold one!!)
I'm thinking you're either pregnant, stressed, or taking some class of medication that may make it slowly.

I have a catastrophic itch?

Nope...sorry

What happens during a mammogram and does it hurt?

no, but pregnancy will surely do the trick

How much immensity would i need to lose to be considered anorexic?

His capably placed orgasm can stop your period for at least possible 9 months.

What could have cause this? I'm only 27. hotflashes?

um no. if that be true then how would culture get pregnant?