menstrual age

men·stru·al age

age of the conceptus computed from the start of the mother's last menstrual period.

men·stru·al age

(menstrū-ăl āj) Age of the conceptus computed from the start of the mother's last menstrual period.

men·stru·al age

(menstrū-ăl āj) Age of the conceptus computed from the start of the mother's last menstrual period. This age begins from the first day of the last menstrual period; this is the usual measure in obstetric practice; since the embryo does not begin to form until the first two weeks have passed, the term "menstrual age" is inappropriate.

age

(aj) [Fr. age, fr. L. aetas] 1. The time, measured in seconds, minutes, hours, days, months, or years that an organism has lived since its birth.2. A particular period of life (e.g., middle age or old age).3. To grow old. 4. In psychology, the degree of development of an individual as compared or contrasted with another of comparable development or accomplishment.

achievement age

Abbreviation: AA
The age of a person with regard to level of acquired learning; determined by a proficiency test and expressed in terms of the chronological age of the average person showing the same level of attainment.

advanced maternal age

Abbreviation: AMA
A term used to describe the age of women for whom pregnancy presents increased risks either to the fetus or to the mother. In the medical literature this age is variably stated as being over 35.

anatomical age

An estimate of age as judged by the stage of development or deterioration of the body or tissue as compared with persons or tissues of known age.

biological age

One's present position in regard to the probability of survival. Determination of biological age requires assessment and measurement of the functional capacities of the life-limiting organ system, e.g., the cardiovascular system.

bone age

An estimate of biological age based on radiological studies of the developmental stage of ossification centers of the long bones of the extremities. See: epiphysis

chronological age

Abbreviation: CA
Age as determined by years since birth.

conceptional age

The estimated gestational age as referenced from the actual time of conception. It is usually considered to be at least 14 days after the first day of the last menstrual period. Synonym: ovulation age

age of consent

The age at which a minor may legally engage in voluntary sexual intercourse or no longer requires parental consent for marriage. It varies among states but is usually between ages 13 and 18.

corrected age

The age of a premature baby revised so that it accurately reflects his or her premature delivery. It can be calculated in one of two ways. First, a baby's weeks of prematurity can be subtracted from his or her age since birth. Using this system a child who was four weeks premature, who is now four weeks and one day old would have a corrected age of one day. Alternatively, a child who was born at a gestational age of 27 weeks who is now three weeks old would have a corrected (gestational) age of 30 weeks.

developmental age

An index of maturation expressed in months or years, which represents a value obtained by comparing performance with scaled norms for a particular age group. See: age, achievement

emotional age

Judgment of age with respect to the stage of emotional development.

functional age

Age defined in terms of physical or functional capacity; frequently applied to older adults.

gestational age

The age of an embryo or fetus as timed from the date of onset of the last menstrual period. Gestational age is specified numerically by the following convention: 360/7 indicates an age of 36 weeks, 0 days. 295/7 indicates an age of 29 weeks, 5 days. The first two numbers are the number of weeks of gestation. The number designated as X/7 is the number of days since the completion of the last full week. Synonym: menstrual age

menarcheal age

Elapsed time expressed in years from menarche.

menstrual age

Gestational age.

mental age

Abbreviation: MA
The age of a person with regard to mental ability, determined by a series of mental tests devised by Binet and expressed in terms of the chronological age of the average person showing the same level of attainment.

middle age

An imprecise term that refers to the period of life that begins roughly at age 40 and ends at about age 64. During middle age in Western societies, many medical problems begin to increase in frequency, including degenerative arthritis, cancer, diabetes mellitus, high blood pressure, myocardial ischemia and infarction, obesity, and visual accommodative disorders.

ovulation age

Conceptional age.

physiological age

The relative age of a person, esp. when comparing that individual's physical status with those of other persons of the same chronological age.

单词	menstrual age
释义	DictionarySeeage menstrual age menstrual age [′men·strə·wəl ′āj] (embryology) The age of an embryo or fetus calculated from the first day of the mother's last normal menstruation preceding pregnancy. menstrual age men·stru·al age age of the conceptus computed from the start of the mother's last menstrual period. men·stru·al age (menstrū-ăl āj) Age of the conceptus computed from the start of the mother's last menstrual period. men·stru·al age (menstrū-ăl āj) Age of the conceptus computed from the start of the mother's last menstrual period. This age begins from the first day of the last menstrual period; this is the usual measure in obstetric practice; since the embryo does not begin to form until the first two weeks have passed, the term "menstrual age" is inappropriate. age (aj) [Fr. age, fr. L. aetas] 1. The time, measured in seconds, minutes, hours, days, months, or years that an organism has lived since its birth.2. A particular period of life (e.g., middle age or old age).3. To grow old. 4. In psychology, the degree of development of an individual as compared or contrasted with another of comparable development or accomplishment. achievement age Abbreviation: AA The age of a person with regard to level of acquired learning; determined by a proficiency test and expressed in terms of the chronological age of the average person showing the same level of attainment. advanced maternal age Abbreviation: AMA A term used to describe the age of women for whom pregnancy presents increased risks either to the fetus or to the mother. In the medical literature this age is variably stated as being over 35. anatomical age An estimate of age as judged by the stage of development or deterioration of the body or tissue as compared with persons or tissues of known age. biological age One's present position in regard to the probability of survival. Determination of biological age requires assessment and measurement of the functional capacities of the life-limiting organ system, e.g., the cardiovascular system. bone age An estimate of biological age based on radiological studies of the developmental stage of ossification centers of the long bones of the extremities. See: epiphysis chronological age Abbreviation: CA Age as determined by years since birth. conceptional age The estimated gestational age as referenced from the actual time of conception. It is usually considered to be at least 14 days after the first day of the last menstrual period. Synonym: ovulation age age of consent The age at which a minor may legally engage in voluntary sexual intercourse or no longer requires parental consent for marriage. It varies among states but is usually between ages 13 and 18. corrected age The age of a premature baby revised so that it accurately reflects his or her premature delivery. It can be calculated in one of two ways. First, a baby's weeks of prematurity can be subtracted from his or her age since birth. Using this system a child who was four weeks premature, who is now four weeks and one day old would have a corrected age of one day. Alternatively, a child who was born at a gestational age of 27 weeks who is now three weeks old would have a corrected (gestational) age of 30 weeks. developmental age An index of maturation expressed in months or years, which represents a value obtained by comparing performance with scaled norms for a particular age group. See: age, achievement emotional age Judgment of age with respect to the stage of emotional development. functional age Age defined in terms of physical or functional capacity; frequently applied to older adults. gestational age The age of an embryo or fetus as timed from the date of onset of the last menstrual period. Gestational age is specified numerically by the following convention: 360/7 indicates an age of 36 weeks, 0 days. 295/7 indicates an age of 29 weeks, 5 days. The first two numbers are the number of weeks of gestation. The number designated as X/7 is the number of days since the completion of the last full week. Synonym: menstrual age menarcheal age Elapsed time expressed in years from menarche. menstrual age Gestational age. mental age Abbreviation: MA The age of a person with regard to mental ability, determined by a series of mental tests devised by Binet and expressed in terms of the chronological age of the average person showing the same level of attainment. middle age An imprecise term that refers to the period of life that begins roughly at age 40 and ends at about age 64. During middle age in Western societies, many medical problems begin to increase in frequency, including degenerative arthritis, cancer, diabetes mellitus, high blood pressure, myocardial ischemia and infarction, obesity, and visual accommodative disorders. ovulation age Conceptional age. physiological age The relative age of a person, esp. when comparing that individual's physical status with those of other persons of the same chronological age. LegalSeeAge
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