Does masturbation effect on birth?
Masturbation has no such effect on our bodies.
Does masturbation effect during early stages of pregnancy?
Only if you masturbate with a coat hanger.
Does birth control effect psoriasis?
How does a small cervix effect child birth?
It doesn't. The cervix becomes very elastic during pregnancy, size doesn't matter.
Does premature birth effect the growth rate?
Yes, premature birth does effect the growth rate.