Answers are grounded in this paper and cite their sources.
Presentation of CaseA twenty-three-year-old housewife was admitted to the hospital for study of infertility. She stated that she had been married for two and a half years and had been unable to become pregnant.Menstruation had begun at the age of twelve, with periods beginning every twenty-eight days and lasting seven to eight days. The flow was described as moderate without clots. She had cramps for one day at the beginning of each period. Bleeding became irregular at the age of fifteen and had been irregular ever since. The bleeding pattern, which had been constant for the year and . . .
No takes yet. Share an insight, caveat, or question.
Cabot et al. (1954) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: