An episiotomy is a surgical incision used to enlarge the vaginal opening to help deliver a baby. An episiotomy may be needed for any of the following reasons: 1  Birth is imminent and the perineum hasnât had time to stretch slowly. 2  The babyâs head is too large for the vaginal opening. 3  The baby is in distress. 4  The mother needs a forcep or vacuum assisted delivery.
A hypersensitive immune system is one which overreacts to a stimulus. A normal immune system reacts when the body identifies a foreign protein such as proteins on the outside of bacteria.This foreign material which invokes the immune response is called an antigen.mail Article. A hypersensitive immune system is one which overreacts to a stimulus. A normal immune system reacts when the body identifies a foreign protein such as proteins on the outside of bacteria. This foreign material which invokes the immune response is called an antigen.
Visceral hypersensitivity basically means that the inside of your intestinal tract is 'touchier' than normal. Let's say you had a 'scale' in your GI tract that registered 'stretch' of the walls. If something move through them and a normal stretch of the walls produces no sensation except a slight feeling of 'something is there,' a person with visceral hypersensitivity will feel like the tract is being stretched to 2x it's normal diameter.