Contrary to popular belief, you don't have to push if the baby is not in any distress and there's no rush to get him or her out. Your body will push him/her out for you.
You will want to push, the body tells you to. It's harder not to push. Also if it takes too long it can get dangerous and end with a c-section.
demerol slow IV push
When it's time to push the baby out it's with every contraction unless the midwife says otherwise. It's different for every woman, birth and baby.
The hymen doesn't increase in size after childbirth. During vaginal childbirth the hymen is often torn.
Your Cervix
I don't know
sepa
Modern pain relief for childbirth generally involves the use of medication.
During Childbirth a womans reproductive organs are made to be ripped, stretched, expand and a variety of different tramas. this is why it can take up to six weeks to recover from childbirth.
No it will not return about 2 months after.
When a mother dies during childbirth.
The uterine walls