MANARCHE HAS CHANGED SINCE 1900 TO AN EARLIER AGE

Manarche Has Changed Since 1900 To An Earlier Age

Manarche Has Changed Since 1900 To An Earlier Age

Data on the recollected age at menarche of 47 881 women born between 1881 and 1970 were examined. The signify menarcheal age had altered from 15.1 years in those born up to 1900 to 12.5 years in those born throughout the 1960s. The age at menarche differed as asserted by the month of birth, and the convention of mean age circulation by month of birth was not the identical when the year of birth was different. Among ...