Your next menstrual period should begin within 2 to 3 weeks. Studies to date have not shown evidence of fetal malformation in humans if ECP fails and pregnancy occurs. You should not take the ECP containing estrogen and progestin if you have a blood-clotting disorder, active liver disease, current migraine headache, or a history of breast cancer. Talk with a clinician about other alternatives. Nausea, and occasionally, vomiting.
Nausea is usually worse when the stomach is empty.
Try eating small amounts of food at frequent intervals. For example, eat a cracker or light snack every 1 or 2 hours. If vomiting occurs within 1 to 2 hours after taking the tablets, please call the clinic for advice. It is possible that you may not have absorbed enough of the hormone to protect you against pregnancy. These medications are available without a prescription.