uterus
Oxytocin is a small peptoid hormone, not a steroid. It is secreted from the posterior lobe of the pituitary gland. It contracts the uterus during childbirth.
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 return to natural childbirth increased and fewer women required medication during delivery
eclampsia
totally