Women show more dramatic changes in hormones and body due to reproductive factors during lifetime. (academic.oup.com)
While you only enter your period start date, Dot's algorithm takes into account multiple reproductive factors in evaluating your pregnancy risks. (dottheapp.com)
Melton LJ, Bryant SC, Wahner HW, et al. «Influence of breastfeeding and other reproductive factors on bone mass later in life.» (notmilk.com)