How to use calendar method to avoid pregnancy

How do I use calendar methods? 

Exactly how you use these methods depends on the type of approach you choose.

The first step to using calendar methods is to monitor your menstrual cycles and count the days of these for a minimum of six cycles. 

Your cycle starts on the first day of your period and ends on the last day before your next period, so it’s important to keep track of period dates.

By recording when each cycle starts and ends over the six-month timeframe, you can get a good idea of the regularity of your cycles. Here’s an example of what this might look like: 

Once you have this data, you can then do some basic calculations to work out when your fertile days are.

On these fertile days, you’ll need to abstain or use barrier protection (such as condoms) to avoid pregnancy. 

Let’s take a look at some of the specific types of calendar methods and how they work:

How to use the rhythm method

Once you’ve recorded at least six months of cycle statistics, you wil

is calendar method effective

is calendar method 100 safe