Gestational Age |
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| Chronologic Fetal Maturity; Fetal Age; Maturity, Chronologic Fetal; Age, Fetal; Age, Gestational; Ages, Fetal; Ages, Gestational; Fetal Ages; Gestational Ages | |
| The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated as the time from the last day of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. | |