https://www.cnet.com/news/fertility-monitors-help-couples-pregnant-conceive/

I used technology to make a baby -- no doctor, needles or hormones, just a phone and a thermometer. The phone was for the Kindara app, which I used to track my menstrual cycle for about two years. 

I wasn't disciplined enough to take my temperature every morning, but I logged enough data to get a deeper understanding of what was going on in my body. Once the time came to try for a baby, I used the same information to help me conceive in a matter of months.