COMT stands for catechol-O-methyltransferase. It encodes an enzyme that does one critical job: it breaks down dopamine and estrogen byproducts in your body.
On a normal day, a COMT variant might make you feel things more intensely than others, more sensitive to pain, more reactive to stress, more affected by criticism. These are not character flaws. They are the physiological consequences of a gene that processes dopamine more slowly.
During pregnancy, estrogen levels rise dramatically, and estrogen is broken down using the same COMT enzyme. If your COMT activity is already low, the added burden can push your dopamine regulation significantly out of balance, anxiety, emotional flatness, panic, sleep disruption, starting during pregnancy, not just after delivery.
This is not a personality issue. This is a metabolic process. And knowing your COMT variant changes how you and your doctor approach every pregnancy.