Many people aren't aware that our body has built-in regulating systems that keep things in check. When you conceive a baby, the baby is part of your body's regulating system, and your body and baby then work together.

Subclinical hypothyroidism or hypothyroidism in pregnancy is a condition of the body where the brain produces too much thyroid stimulating hormone (aka “TSH”). The reasons for this are unknown, and it is a popular conception that elevated thyroid stimulating hormone “causes” miscarriage. However, you will be hard pressed to find any research paper that directly states that there is a causal relationship between high TSH and miscarriage. At best, there is documentation that there is an association between miscarriage and elevated TSH. It is still unclear which came first: the chicken or the egg. Does elevated TSH cause miscarriage, or does miscarriage result in elevated TSH?