Though there is sparse medical research on the subject, many people who have been on testosterone hormone replacement therapy (HRT) and/or have had top surgery can still carry a pregnancy to term. There is evidence to suggest that some top surgery patients may experience mammary tissue growth during pregnancy. For more information about chestfeeding, HRT, top surgery and pregnancy, click here. For more specific questions, we recommend speaking with a trans or gender-competent medical provider. In the video below, Dr. Jacobs (he/him) addresses the unlikelihood that patients will be able to chest-feed after top surgery. Still, he mentions, there is a chance that the infant can bond with their parent’s chest even if they are incapable of milk production.