[2big4mysize]

your thyroid can be normal and the hair loss from the amenia. You can also be anemic from the pregancy and/or hypothyroid. if it is hypo thyroid caused you will recover as your thyroid levels return to normal and the cells making red blood cells recover from the low amount of thyroid hormone they were getting.

Pernicious Anemia is caused by the small intestine being unable to absorb B-12 from food because of loss of production of intrinsic factor not low thyroid. They can be related if a person has autoimune caused low thyroid better know as Hasimoto's that attack those cells too but not all hypothyroid folk have pericous amenia.