how accurate is this app for trying to get pregnant?

alysa

i have had sex most of the days this app says im fertile. me and my guy dont use pertection and his sperm is me every time. i dont take birth controle. im not sure how accurate it is about my fertile days and what not. i would like to get pregnant. i have noticed i have a hard time getting pregnant cuz the last serious relationship i had i never got pregnant and we were together for 2 and a half years. please and thank you for your help.