Scientists working independently in Japan (1924) and Austria (1927) devise the "Rhythm Method" of birth control. After figuring out that women are fertile approximately midway through the average ...

describing the sensation and appearance on a daily chart ... than use barrier birth control methods since those methods can still fail. BOM doesn’t require any form of rhythm counting ...

But if you're on a birth control method like an IUD or implant, then it's not necessary. This is because IUDs and implants are more than 99% effective on their own. Whether they're having casual ...

As a result, some people have turned to natural methods of birth control, like the rhythm method ... is the best way to observe its texture. To chart the changes in your mucus, you can write ...

However, the rhythm method was unreliable, and many believed it placed a heavy strain on marital relations. With the arrival of the birth control pill in 1960, many believed the Church was about ...