What causes pregnancy?

Pregnancy is the result of conception, which occurs when a man’s sperm fertilizes a woman’s egg, creating a zygote. Throughout the course of pregnancy, the zygote develops into an embryo. After eight weeks gestation, the embryo is called a fetus.

Conception most often occurs due to vaginal sexual intercourse. When a couple cannot conceive naturally through intercourse, they may conceive through a type of assisted reproductive technology, such as artificial insemination or in vitro fertilization.

INTRODUCTION

What is pregnancy?

Pregnancy is a condition in which a woman carries a developing baby, called a fetus, in her uterus. Pregnancy normally lasts about 40 weeks or a little more than nine months, and is divided into three 13-week trimesters. Most pregnancies involve one fetus, but pregnancies involving multiple fetuses, such as twins or triplets, can occur as well.

Pregnancy is a common condition of e... Read more about pregnancyintroduction

SYMPTOMS

What are the symptoms of pregnancy?

Pregnancy usually lasts about 40 weeks or a little more than nine months, and women often experience different combinations of symptoms throughout the course of a pregnancy. Some women may experience many symptoms, and other women have very few symptoms. You might experience certain symptoms in one pregnancy and different symptoms in another pregnancy. Symptoms can also vary greatly in severity... Read more about pregnancysymptoms

TREATMENTS

How is pregnancy treated?

Pregnancy is treated through prenatal care, which the mother receives from her obstetrical medical provider through regular visits during pregnancy. The goal of prenatal care includes ensuring the health of the mother and the fetus and preparing the mother for birth. You may receive prenatal care from an obstetrician-gynecologist, a certified nurse-midwife (CNM), or other licensed pregnancy hea... Read more about pregnancytreatments

Medical Reviewer: William C. Lloyd III, MD, FACS Last Annual Review Date: Sep 20, 2013 Copyright: © Copyright 2014 Health Grades, Inc. All rights reserved. May not be reproduced or reprinted without permission from Health Grades, Inc. Use of this information is governed by the HealthGrades User Agreement.