Infrequent or irregular menstrual cycles. Normal menstrual cycles will often vary and this is not necessarily a sign of infertility. This variation results in cycles that differ by 8-13 days, according to one study.
Infrequent or irregular menstrual cycles. Normal menstrual cycles will often vary and this is not necessarily a sign of infertility. This variation results in cycles that differ by 8-13 days, according to one study.