Lark Pregnancy Calendar

This is the calendar software designed for women at childbearing age. You will just set the first date of your period, time of menstrual cycle, duration of your period, luteal phase parameters, the software is able to mark the different stages of Menstrual Cycle on the calendar scientifically with different colors or graphics- which days are easy for pregnancy, which days are in the safe period, which days are for ovulation, how big the pregna