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How to count Ovulation Period and Free Period

Ovulation Period and Free Period – How to Count

Yesterday, I received feedback on “4 Signs to know you are ovulating without using Ovulation Test Kits“. Readers have been writing to me, telling me how helpful the article has been to them. But one particular reader has a different request this time. She requested I should discuss a free period. Ovulation Period and Free Period – How to Count.

Ovulation Period and Free Period – How to Count
Ovulation Period and Free Period – How to Count (Diagram A)

Free periods are the period of time, normally days, in a woman’s menstrual cycle when she is not fertile. It is a time when she is not likely to get pregnant; that is, any unprotected sex will not result in pregnancy.

In this post, I will go straight to the point. I have talked a lot in the post I cited above. I will also be going to use more practical drawings to make some points.

One thing we should understand about the working of the woman’s body is that no two women are the same. So, their monthly cycles may not be the same. I know some who have a short cycle while others have theirs long.

Here, we are going to make instances and cite examples with the generally accepted 28 days of the menstrual cycle. I want to point at this junction that I don’t belong to this average. I see my period after every 26 or 27 days of my previous period. That is, if I see my menses today, I will see them again in the next 26 days or 27 days.

I know some people who have static monthly cycles. That is, they see their period, every 1st, or 2nd, 3rd, 4th.etc. This is to say that all their lives, they have a particular date that they expect their monthly period every month and it has never failed.

I also know some who have a longer monthly cycle. Theirs takes longer than 30 or 31 calendar months.

Whichever category you belong to here, it does not matter. Calculations are the same when it comes to ovulation and the free ovulation period.

Ovulation Period and Free Period – How to Count

Take for instance the image above as a full calendar month. And Lady P. Starts seeing her menstrual cycle on the 5th of that Month. Let’s say, it is the month of July.

Days start counting the very first day you start seeing your menstrual cycle, even if it starts in the evening of the 5th, count that day as Day 1. That is, when counting your ovulation days you must start from the 1st day of your menses, even if it was just spotting.

Look at the diagram, the number marked good: 5, 6, 7, 8, they are the normal days your menses are expected to flow. But for some, it exceeds the number of days.

Whether it exceeds or runs fewer than these four days, the calculations are still the same. For me, mine run for 2 full bleeding days and 2 scanty or no menses days. On these last two days, I don’t need a pad, I go with a pantiliner most times.

However, with age and procreations, I noticed that all of that has been altered. Most times, I see it run the full four days, and sometimes, it even exceeds 5 days. It normalizes once my hormones are balanced.

Please, don’t be confused about the above statement. I am just talking about the changes in my menstrual cycle due to age and hormone imbalance triggered by childbearing.

Our topic is still how to count free ovulation days in a cycle. I have done the sketch in the diagram above.

After the 4 or 5 days of your period, the two-three days following immediately after your period are your ovulation-free period.

Watch closely on the next 3 numbers. I marked the 12th of that Month with a light good and a light bad. I will explain.

Number 12 is an ovulation-free day and at the same, not a free period. For those who are using natural family planning, like bidding or calendar, You don’t dare come close to this date.

It is under probability. This is because there may be a possibility that ovulation may show on the eleventh day after your menses; which is the first number I circles (15). Why?

This is because like I taught you in the previous post on how to conceive a baby boy, spermatozoa last for 72 hours. So, there is the possibility of it living up to 72 hours if you meet your partner on that 12 of July. There will be fertilization on the 15th of July resulting from that meeting on the 12th of July.

So, to avoid hard I know, don’t go near. The other 2 numbers; 13 and 14 are as good as your ovulation period. These two days are not free period.

Ovulation Period and Free Period – How to Count

Let me repeat this line to lay more emphasis. The remaining two days before ovulation periods are not free days. In fact, I tell people that the two days before ovulation periods are as good as ovulation periods.

Although the woman is not yet fertile any unprotected sex on these two dates may likely result in pregnancy. Note this secret; this period is the right period for couples trying to conceive a baby girl should try. We will talk about this in the next article.

Look again at the diagram, the circled numbers are the ovulation period. In this month, ovulation is likely to occur on any of these days. These days are not free days.
On my billing family planning method, I use to give a red dot on these numbers, denoting danger period (no go area period).
Then for couples trying to conceive a baby boy, between 16 and 17 are the right time to try. Ovulation is likely to occur at this time.

After the 18th of July, other subsequent days are your free days. However, to avoid doubt, I do encourage people to avoid the day following the last days of ovulation. That is 19. This is because you don’t know the exact day and time of your ovulation. There is the possibility that it occurs on the 18th night. And on the 19th, it is still viable. You may go and be caught by triplets (lol).

Your free period begins from 19 to 30 and continues until your next menstrual cycle. And it continues that way.

Factors that Change Women Ovulation and Free Period Cycle

There are some factors that may alter or change the workings of the woman’s monthly cycle, her ovulation, and free periods. At this time, you are not sure about the dates and the calculations. Calculations may fail you because your body has been altered and it is behaving abnormally.


Once in a while in a woman’s life, she experiences hormone imbalance. This hormone imbalance occurs mostly after childbirth or miscarriage. Age also affects hormones.

So, when this happens, the woman will become confused at a point in time because she will be observing changes in her body.
I have been tricked twice by hormone imbalance. While I was using the natural method of family planning, I was counting up while my new body was counting down. Before I knew it, I have become pregnant.

There are many things that happen in a woman’s life that alter her hormone. Drugs play a role. I will leave it and treat it as a topic.

Irregular menstrual period:

If you are having an irregular menstrual period, it will affect your ovulation and free period.


the older a woman becomes, the more her cycle is likely to change. She will notice changes in the way menses flow, the changes in the date, and sometimes it may fluctuate.


2 thoughts on “How to count Ovulation Period and Free Period

  1. I love this,like if you see ur period on the 22 of this September when is the right time to try for a baby boy, that’s ur main ovulation day? Thanks.

    1. @Presh thanks for your feedback. If you see your period on the 22nd of September 2021, the best day to try for a baby boy is on the 3rd morning of October. For the best result, make sure you don’t sleep with your partner for like 5 days or 6days (as both you fit hold body). What I mean is that Oga should have enough sperm stored in him before 3rd September. Give him good food too, like tick vegetable soup and fruits. Goodluck.

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