Gestational age
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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
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
Prenatal development
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Prenatal development involves the development of the embryo and of the fetus during a viviparous animal's gestation. Prenatal development starts with fertilization, in the germinal stage of embryonic
Gestational age
…Gestational age is used for example for: The events of prenatal development, which usually occur at specific gestational ages. Hence, the gestational timing of a fetal toxin exposure, fetal drug exposure or vertically transmitted…
An obstetric ultrasound monitor displaying a detailed sagittal profile view of a human fetus at 20 weeks and 5 days of gestational age.
A sperm cell fertilizing an egg cell