Yes, the Date of Your Last Period Matters—Here's Why

Melania Trump’s outfit today didn’t exactly scream ‘hurricane ready.’ View this email in your browser There's a Really Good Reason Your Ob-Gyn Always Asks When Your Last Period Was Top Stories People Are Dragging Melania Trump for Wearing Stilettos to Houston After Hurricane Harvey Read More How Your Vagina Changes When You Get Sick Read More Vanessa Hudgens Looks Exactly Like a Targaryen With Her New Platinum Hair Read More The Internet Has Mixed Reactions to These Photos of Kim Kardashian Channeling Jackie O Read More More News Whitney Port Opens Up About Struggles With Breastfeeding in This Brutally Honest Video Read More Did Taylor Swift Just Confirm a Bunch of Theories About 'Look What You Made Me Do'? Read More Corinne Olympios Just Opened Up About the 'BiP' Controversy for the First Time Read More Kylie and Kendall Jenner, Millionaires, Apparently Share Underwear Read More Let's Make It Official This email was sent to you by Glamour.com. To ensure delivery to your inbox (not bulk or junk folders), please add our e–mail address, glamour@newsletters.glamour.com, to your address book. View our Privacy Policy Unsubscribe Copyright © Condé Nast 2017. One World Trade Center, New York, NY 10038. All rights reserved.