Why I Chose The Calendar Method and How It Works!

Making the decision to stop using birth control all together is a scary decision. Especially since I have already had four pregnancies and I had problems with all of them. My husband and I have talked about having more kids in the future, but just not right now.

We decided when we were going to have all of our kids. The timing wasn’t always right when we expected, but we knew that we weren’t preventing having a baby. I have used birth control in the past, but it never really worked out right for me. I used the Nuva Ring for about a year before quitting it all together. Towards the end of my first year I had a period for almost 2 MONTHS! I felt like I was going to bleed out and die! So once I finally took it out the bleeding stopped a few days later. I didn’t like the idea of putting something inside of me for years so we just stopped using birth control all together

After our youngest son Rowan was born I was so tired and stretched to my limit all the time that having another baby on top of it felt like it would be the end of me, so I talked to my husband and we decided I would give birth control another go. I was still breast feeding so I had to be on progesterone pills for the time being. I am awful with remembering to take medicine at the same time everyday. Even with alarms I would always find a way to forget to bring it with me or I would be busy and just silence the alarm. Then forget to take it..

Eventually I even started having trouble with my period AGAIN! I switched pills, switched times that I took it, and even started overlapping pills to stop getting my period all together and NOTHING worked. I was still so worried about getting pregnant again even though I had been going through this for months I just wasn’t ready to take the risk. I should also mention that while I’m not on birth control my periods last 3-4 days and they are very mild with no problems or spotting in between. So for me to go through this constantly was extremely hard for me to deal with.

I started looking more into different birth controls online and I found the calendar method! Which essentially is figuring out what your most fertile days are that way you can be extra cautious on those days!

You need to track your period for at least 6 months for it to be really accurate, and I would continue to keep track of it even after that in case your periods start to change later on. Here’s how it works:

Mark the first day you start your period (this will be day one). Then mark the first day of your next period, and count the total number of days in between each cycle (the number of days in between the first days of your periods).


How to predict your first fertile day.

  • Find the shortest day in your past cycle.
  • Subtract 18 from the total number of days in that cycle.
  • Count the number you got from day 1 of your current cycle and mark that day with an “X”.
  • The day marked with an X is your first fertile day.

So for me, my shortest cycle is 28 days so I would subtract 18 from 28 to get 10. Then count 10 days from the first day of my current period and put an X on that day (which would be the 7th for me). So the 7th is my first fertile day and I need to use another form of birth control or not have sex on this day.

How to predict my last fertile day.

  • Find the longest day on your cycle chart
  • Subtract 11 from the total number of days in your cycle.
  • Count that number from day 1 (the first day of your period) of your current cycle, and mark that day with an X. (Include day 1 when you count.)
  • The day marked X is your last fertile day.

For me, my longest is 31 days so 31 minus 11 is 20. Which would be the 17th for me. This is the last of my fertile days of the month so the next day I can relax and not have to worry about getting pregnant.

The calendar method can only predict what are most likely to be safe and unsafe days. It can’t tell you for sure exactly when you’re fertile. So be careful when deciding to stop taking your regular form of birth control all together. Study up on it and make sure it’s right for you and your partner.

For me this has worked better than any other form of birth control! I no longer have to worry about taking a pill everyday or worrying about putting something inside of my body every month. Even better? No more side effects and my periods are back to normal! Like I said before it can’t tell you exactly when you are fertile it is just a estimation. Just do what’s best for you and what works for your life!

Sign up and I’ll send you a printable chart to keep track of your periods!

What form of birth control do you use?


2 thoughts on “Why I Chose The Calendar Method and How It Works!

    1. Really?! That’s awesome. I’ve never heard of that one. I’m the type of person that likes pen to paper so charts work pretty well for me!

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