You can get pregnant with corpus luteum on one side of the ovary. Having corpus luteum on one side of the ovary, i.e., being in the luteal phase, is less likely to result in pregnancy, but it cannot be ruled out 100%. Women with irregular menstrual periods ovulate at irregular times and may also become pregnant during the luteal phase.
Luteal phase is after ovulation to the next menstrual period, at this time ovulation has passed, there is no egg, sperm and egg have no combination of possibility, generally will not be pregnant. However, for women with irregular menstrual cycles, ovulation is not regular and it is impossible to predict the ovulation and luteal phase, there will be the possibility of accidental ovulation.
There are individual differences in women, and women with irregular menstrual cycles cannot predict the luteal phase, so it is recommended that women who have no plans to have children and their partners take safety measures. If menstruation is delayed, go to a regular hospital in time, and standardize the treatment under the guidance of the doctor.