Answer:
your questions isn't clear ..........
If it is just a normal check up then they would not have any way of knowing if you started your period or not.
To drain urine out of the bladder so that it does not obstruct delivery of the baby.
A full bladder can make labor complicated.
A connective tissue disease is any disease that affects the parts of the body that connect the structures of the body together. Connective tissues are made up of two proteins: collagen and elastin. Collagen is a protein found in the tendons, ligaments, skin, cornea, cartilage, bone, and blood vessels. Elastin is a stretchy protein that resembles a rubber band and is the major component of ligaments and skin. When a patient has a connective tissue disease, the collagen and elastin are inflamed. The proteins and the body parts they connect are harmed.