Controversy over the beginning of pregnancy occurs in different contexts, particularly as it is discussed within the debate of abortion in the United States. Because an abortion is defined as ending a
The viewpoint that pregnancy, or at least morally significant human life, begins at the exact moment that sperm and egg interact is highly controversial, although it is commonly held by groups such as the Roman Catholic Church and many traditionally religious individuals, and other alternate viewpoints are put forth.
Gestational age
Videos
In obstetrics, gestational age is a measure of the age of a pregnancy taken from the beginning of the woman's last menstrual period, or the corresponding age of the gestation as estimated by a more ac
Beginning of pregnancy controversy
…group, have argued that the medical definition of conception should include fertilization. Finally, the standard historical method of counting the duration of pregnancy begins from the last menstruation and this remains common with doctors, hospitals, and medical companies. This system is convenient because it is easy…
Distribution of gestational age at childbirth among singleton live births, given both when gestational age is estimated by first trimester ultrasound and directly by last menstrual period