| Front | What are two natural birth control methods? |
|---|---|
| Back | Abstinence, don't do the sex (very ineffective, people do the sex anyways). Rhythm method, there are some periods where it is impossible to get pregnant because there are no eggs matured or going to be matured soon enough so that the sperm could not achieve fertilisation, this can be tracked by a calendar (reliable but not accurate) or by the woman noticing signs of ovulation (not reliable but accurate). |
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