Plan B Guide: Side Effects & Morning After Pill Timing

Plan B effectiveness depends heavily on timing, with specific side effects and interactions to consider when taken alongside regular birth control pills.

The Morning After Pill Effects

Published Aug,14 2017 | By Elizabeth Otto

Emergency contraception pills, called EC and often referred to as the morning after pill, are hormone pills designed to prevent pregnancy. EC pills stop pregnancy in different ways, depending on where a woman is in her menstrual cycle when taken.

Elizabeth Otto has been writing professionally since 2003. She is a licensed emergency medical technician-intermediate with over 10 years of experience in the field. She has worked as a clinical assistant in family health and emergency medicine since 1995. Otto is a freelance writer for various websites and holds an Associate of Science in medical assisting from Commonwealth College.