Stanford JB, Willis SK, Hatch EE, Rothman KJ, Wise LA. Fecundability in relation to use of fertility awareness indicators in a North American preconception cohort study. Fertil Steril. 2019 Nov;112(5):892-9. doi: 10.1016/j.fertnstert.2019.06.036
Willis SK, Hatch EE, Wesselink AK, Rothman KJ, Mikkelsen EM, Wise LA. Female sleep patterns, shift work, and fecundability in a North American preconception cohort study. Fertil Steril. 2019 Jun;111(6):1201-1210. doi: 10.1016/j.fertnstert.2019.01.037