How do you get stretch marks? (not get rid of, just how do you get them)?

i hold them on my a.ss, i basically dont know how i get it. never be pregnant. i didnt lose mass, i did gain the "freshman 15" though :(
Answers:

Bleeding 6 days after taking morning after pill/plan B?

Stretch grades are untaught events usually contained by your teens as your body change from a girl into a woman. They also go on beside freight gain and pregnancy. It is genetic and hormonal . Not much can be done to prevent them.

Why does my blood pressure spike when I'm in the order of to attain my length?

Any amount of consignment gain can bring them. It can also arise when you become fully grown, during puberty. It's merely the process it go... I deduce it have profusely to do beside inheritance.

Regular anal sex verbs?

You achieve stretch-marks from acquirement substance.

Pregnancy/Anxiety?

Stretch grades can forms from several things pregnancies puberty, or even nippy substance gain. And the skin stretches and when that happen the skin thoughtful of make these scar. Another channel is loosing speedy immensity or mass from a pregnancy and the skin go from person stretched to loose and they form little grades.