gestational age

age (āj)

1. the duration, or the measure of time, of the existence of a person or object.

2. the measure of an attribute relative to the chronological age of an average normal individual.

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achievement age  the age of a person expressed as the chronologic age of a normal person showing the same proficiency in study.

bone age  osseous development shown radiographically, stated in terms of the chronological age at which the development is ordinarily attained.

chronological age  the measure of time elapsed since a person's birth.

fertilization age  the age of a conceptus defined by the time elapsed since fertilization.

gestational age  the age of a conceptus or pregnancy; in human clinical practice, timed from onset of the last normal menstrual period. Elsewhere the onset may be timed from estrus, coitus, artificial insemination, vaginal plug formation, fertilization, or implantation.

mental age  the age level of mental ability of a person as gauged by standard intelligence tests.

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ges·ta·tion·al age (j-stsh-nl)

n.

See estimated gestational age.

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Gestational age

The estimated age of a fetus expressed in weeks, calculated from the first day of the last normal menstrual period.

Mentioned in: Polyhydramnios and Oligohydramnios

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gestational age

[jestā′shənəl]

Etymology: L, gestare + aetas, time of life

the age of a fetus or a newborn, usually expressed in weeks dating from the first day of the mother's last menstrual period.

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gestational age,

n the age of a fetus or newborn, usually expressed in weeks dating from the first day of the mother's last menstrual period.

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gestational

pertaining to or emanating from gestation.

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gestational age

the age of the fetus in terms of time lapse, e.g. three month fetus, or in terms of proportion of total gestational duration, e.g. first trimester fetus.

gestational failure

termination by fetal death and resorption, abortion, miscarriage.