conceptional age


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Related to conceptional age: gestational age

conceptional age

in fetal development the number of weeks since conception. Because the exact time of conception is difficult to determine, conceptional age is assumed to be 2 weeks less than gestational age.

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
See also: age
References in periodicals archive ?
In one study this percentage, in relation with the conceptional age, ranged between 31.
Lombroso and collaborators found that concordance between behavioral and both REM and NREM sleep was 100% at 38 weeks of conceptional age in contrast with the findings in the present cohort in which we found a subgroup with lower proportion in NREM sleep mainly the ones with higher transitional sleep percentages.
Conceptional age, menstrual age, and ultrasound age: a second-trimester comparison of pregnancies of known conception date with pregnancies dated from the last menstrual period.