Answers are grounded in this paper and cite their sources.
J Olsen, S Juul, O Basso; Measuring time to pregnancy. Methodological issues to consider., Human Reproduction, Volume 13, Issue 7, 1 July 1998, Pages 1751–
No takes yet. Share an insight, caveat, or question.
Olsen et al. (1998) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: