Are you pregnant? We are conducting a research study in healthy women to monitor their mood and hormone levels during pregnancy and in postpartum. A postpartum brain MRI scan will look at how sex hormones affect brain functioning. To learn more please call the study doctor: Kristina Deligiannidis, MD at (508) 334-7262. Financial reimbursement & a photo of your brain scan is provided. Total study participation takes 4-7 hours.