@queenjaro, please where can I get the book

Be observantn keep count

Ur menstrual cycle mark the beginning of a new cycle to no ur cycle, use ur calendar Mark d first day u saw ur flow til d date it ended and Mark day of the next month and count back to the first month d interval btwn d first month flow and the second month flow shows d number of days ur cycle last after that u can check for ur ovulation days. I recommend this book for you "Love and Life" the Billings method