Corrections & Clarifications: An earlier version of this story misstated how to calculate pregnancy duration. It has since been updated. If you think there's a chance you might be pregnant, you want ...
Article medically reviewed by Lesley Bland, BA (Hons), BSc (Hons) Midwifery Studies who is a Registered Midwife and Consultant Midwife for My Expert Midwife. At 20 weeks pregnant, you are halfway ...