Knowing the menstrual cycle is one of the things that women may not care about, and what is meant here is not only the dates of the menstrual cycle, but also calculating the days of ovulation and fertility periods. This is important, not only for planning pregnancy, but for understanding the nature of the body, and what happens starting with the release of the egg and fertilization or the start of the menstrual cycle, and whether you want to know the days of ovulation to increase your chances of pregnancy or to prevent pregnancy, or for any other purpose,

We will tell you about it through the article, along with some information about the symptoms of ovulation, and the days on which intercourse is possible to increase the chances of pregnancy.

What are the ovulation days?

Ovulation is the release of a mature egg from one of the ovaries, which travels to the fallopian tube, where it is fertilized by sperm and pregnancy occurs.

If the egg is not fertilized, it remains for 24 hours and then decomposes, and is shed with the lining of the uterus in the form of menstrual blood.

During days 10 to 14 of the previous menstrual cycle, a mature egg is formed, and these are known as ovulation days. The mature egg is released on the 14th day of the regular 28-day menstrual cycle, and this is known as ovulation, and this is how ovulation days are calculated.

How to calculate ovulation days

For example to calculate ovulation days: If the first day of the previous menstrual cycle was January 2, then ovulation days are January 11 - 15 if the menstrual cycle was regular and lasted 28 days.

What are the appropriate days for intercourse until pregnancy occurs?

Sperm lives for approximately 3 to 5 days, so knowing when you ovulate helps you plan and schedule intercourse to increase your chances of pregnancy.

Pregnancy is more likely to occur if intercourse occurs during the five days before ovulation, in addition to the day of ovulation itself. This period is known as the fertile window.

After ovulation, the egg can only survive for 12 to 24 hours.

So, to clarify the above, if your menstrual cycle is regular and has a duration of 28 days, ovulation often occurs during the 14th day from the date of the first day of the last menstrual period. For example, if the last menstrual period was on January 2, ovulation occurs approximately on January 15, and therefore it is recommended to have intercourse on January 10, 11, 12, 13, 14, 15, to increase the chances of pregnancy.

You can also find out: What are the symptoms of pregnancy in the first week?

What does a woman feel during ovulation?

During the ovulation period, the symptoms and physical and psychological changes that a woman feels vary depending on the woman and her health condition, but in general, the symptoms of the ovulation period are as follows:

• Feeling mild pain or tingling in the ovarian or pelvic area, and this comes as a result of the egg exploding from the ovary.
• Increased vaginal secretions, making them more liquid, which is an indicator of the approaching date of ovulation. Ovulation secretions also differ from menstrual secretions, in that ovulation secretions are transparent, while menstrual secretions are thicker.
• Increased women's sexual desire during ovulation.
• Changes in mood.
• Swelling and sensitivity in the breasts during ovulation.
• The body temperature rises slightly during these days.

These symptoms can occur due to hormonal changes that occur in the body during the ovulation period, and the increase in estrogen before ovulation, which causes changes in secretions and increased sexual desire, while after ovulation the progesterone hormone increases, which increases the temperature and leads to some changes in the body as well. Steroids for pregnancy It helps you increase your chances of pregnancy.

The easiest way to calculate ovulation days for pregnancy

The easiest way to calculate ovulation days is to use the ovulation days calculator provided by some websites and phone applications. It requires you to be aware of the duration and dates of your menstrual cycle, so that ovulation days can be calculated accurately.

The time of ovulation can be easily calculated in a regular menstrual cycle, as ovulation occurs about 14 days before the start of the next menstrual period in a 28-day menstrual cycle.

If the menstrual period is not 28 days, the ovulation date can be calculated by subtracting 14 days from the date of the next menstrual cycle, as we will explain below:

• If the period between menstruation is 35 days, and the date of the last menstrual period is January 2, the days of ovulation can be calculated as follows: The date of the next possible menstrual period: is February 5, and the expected date of ovulation can be calculated by subtracting 14 days from the date of the next menstrual period to become January 23.
• If your menstrual cycle is 21 days, your next likely period is January 22, and your likely ovulation date is January 9.

Calculating ovulation days for irregular menstrual cycles

To calculate ovulation days in an irregular menstrual cycle, you must track your menstrual cycle dates for six consecutive months and record their dates.

• Find your shortest and longest cycle within a six-month period. 
• Subtract 18 days from your shortest cycle and 11 days from your longest cycle and the result is the most fertile days of your cycle. 

If the shortest period between two cycles is 28 days:

28- 18 = 10 (so the tenth day of your last menstrual period is the beginning of the fertile days in the current cycle).

If the longest period between two cycles is 31 days:

31- 11 = 20 (so the twentieth day of the last menstrual period is the last fertile day in your current cycle).

So, according to the previous example, the time of ovulation ranges from the 10th to the 20th of the current menstrual cycle, which is the most fertile period in which the chances of pregnancy increase.

Does pregnancy only occur on ovulation days?

Since pregnancy is the most important thing on every married woman’s mind to achieve her dream of motherhood, it is therefore best to calculate the days of ovulation. There are those who wonder about pregnancy on the days of ovulation and whether pregnancy only occurs on those days or not. In fact, pregnancy is not related to the days of ovulation only. To explain the matter better, you must know some basic concepts, including ovulation, which is the process of releasing a mature egg from the ovary, and pregnancy, which occurs as a result of the sperm meeting the egg and fertilizing it.

The egg remains alive to be fertilized for a period of 12 to 24 hours after its release from the ovary, while sperm can remain alive inside the woman’s reproductive system for up to five days. This means that if sexual intercourse takes place a day or two before ovulation, it is possible for the sperm to wait for the egg to be released, and then fertilize it.

Therefore, the fertile period extends to more than one day, and includes the three days that precede ovulation in addition to the day of ovulation itself.

Book your consultation now at Women's Health Center At Al Mousa Specialist Hospital 

What is the period during which pregnancy does not occur?

A woman's probability of becoming pregnant increases or decreases through... Pregnancy calculator The date when intercourse occurs. When ovulation is calculated, the chances of pregnancy are at their highest, and as the menstrual cycle approaches, these chances decrease.

It is possible to become pregnant during the five days before ovulation and on the same day (the fertile window).

As a result, there are approximately 18 days in your menstrual cycle when you are less likely to get pregnant, which are the five days immediately after your period, and the 13 days after two days of ovulation.

To illustrate, if your period is January 2 and your period lasts four days, the period in which pregnancy is unlikely includes the days: January 6 to January 10, and from January 17 until your next period, which is often January 28.

Women with menstrual cycles shorter than 28 days may ovulate within a few days of their menstrual cycle ending.

Things that help you get pregnant on ovulation days

There are a number of steps that help with pregnancy while calculating ovulation days. It is important to know when a woman ovulates, as the most fertile days for a woman are two to three days before ovulation and until the day of ovulation. Having regular sexual intercourse during the days of ovulation increases the chances of pregnancy on the days of ovulation, and it is preferable not to abstain from intercourse for long periods before those days.

Also, proper healthy nutrition and eating foods rich in vitamins and minerals help increase fertility, the most important of which are vegetables, fruits, and proteins. The ideal weight must be maintained, as gaining or losing weight can negatively affect fertility, and care must be taken to avoid factors affecting fertility, including smoking, drinking alcohol, and stress.

Finally, we recommend that you consult a doctor to evaluate your health condition and determine the factors that may hinder your pregnancy, and to give you effective advice on increasing the chances of pregnancy. The doctor may request necessary tests, including blood and semen analysis, to identify health problems.

How do I know the days of ovulation have ended?

To be able to determine the end of ovulation days, you can rely on a number of methods, some of which require careful monitoring of the body and others require auxiliary tools, and one of the most common methods is monitoring the body temperature, as you must measure the temperature every morning before you get out of bed, as after ovulation the body temperature rises slightly, and remains high until the beginning of the next menstrual cycle, and if the increase in temperature continues, this means that ovulation has ended.

You can discover the end of ovulation days by observing the cervical mucus, and this is by observing the nature of the vaginal secretions. Before ovulation, the mucus is sticky and transparent, and after ovulation the mucus becomes thicker, and the return of the secretions to their normal state before ovulation is an indication that the fertility period has ended.

There are a number of home ovulation tests that detect an increase in luteinizing hormone, which is a hormone that rises just before ovulation. If the result is positive, this means that ovulation has already occurred or is about to occur.

 How do I know that today is ovulation day?

In addition to the methods for calculating ovulation days that we have explained, you can confirm that ovulation has occurred through some signs that you may notice during this period, including:

• Increased vaginal secretions.
• Sticky secretions resembling egg whites.
• Very light bleeding or pink spots.
• Breast pain.
• Increase sexual desire.
• Pain in the ovary region on one side of the abdomen.

Not all women feel the previous symptoms during the ovulation period, and at that time the days of ovulation can be tracked using the calculations we mentioned previously.

In conclusion, calculating ovulation days is very important, whether you are planning to become pregnant and want to calculate the days on which you can have intercourse to increase your chances of pregnancy, or even avoid sexual intercourse if you want to prevent pregnancy in a natural way. In all cases, try to record the dates of your menstrual cycle accurately each month so that you can know the date of ovulation and the most fertile days for you.

 Frequently asked questions 

When does ovulation usually occur?

Ovulation occurs approximately 14 days before the start of the next menstrual cycle, but this period may vary from one woman to another. The average length of the menstrual cycle is 28 days, and the menstrual cycle is divided into two phases. The first is the follicular phase, which begins on the first day of the cycle and ends with ovulation. As for the luteal phase, it begins after ovulation and continues until the beginning of the next cycle. The luteal phase is usually of constant length and extends up to 14 days.

To calculate the date of ovulation, you can subtract 14 days from the length of the menstrual cycle. For example, if the menstrual cycle is regular, meaning it lasts 28 days, then ovulation will occur on the fourteenth day, but ovulation may occur a day or two before or after that.

It is important to know the date of ovulation if you want to get pregnant, as knowing the date of ovulation greatly helps increase the chances of pregnancy. Conversely, if you wish not to get pregnant, you should avoid having sexual intercourse during the fertile period.

Are there any factors that affect ovulation?

There are a number of different factors that affect ovulation, and these factors lead to irregular menstruation or difficulty conceiving, and these factors include the following:

• As a woman's age increases, the quality of a woman's eggs decreases, as does their quantity, which affects ovulation.
• If you are over or underweight, it can affect the body's hormones and ovulation.
• Chronic stress, which negatively affects ovulation.
• Deficiencies in vitamins and minerals, such as iron and folic acid, may affect fertility.
• Smoking, drinking alcohol, strenuous exercise, and chronic diseases can also affect ovulation.
• There are a number of medications that may affect ovulation and the menstrual cycle.
• There are also a number of environmental factors that affect fertility, including exposure to environmental pollutants.

Does ovulation occur every menstrual cycle?

Mostly, ovulation occurs in every menstrual cycle. However, ovulation does not occur in some menstrual cycles for many reasons, including stress, poor nutrition, or some different medical conditions. The question here is why ovulation may not occur in some cycles. As for the symptoms of ovulation not occurring, they come as follows:

• Irregular menstrual cycle, as the cycle is shorter or longer than usual, or it may stop completely.
• Difficulty getting pregnant.
• Weight gain.
• The appearance of acne.
• Increase in body hair growth.

If you are suffering from any of these symptoms or if you are having difficulty getting pregnant, you should consult a doctor, who in turn will conduct some necessary tests to determine the cause and then prescribe the appropriate treatment.

How can I know that the egg was fertilized?

If you want to know whether the egg has been fertilized or not, unfortunately there is no 100% certain method, as the fertilization process and the hormonal changes that occur after it require some time for clear signs of successful fertilization to appear. There are some signs that indicate pregnancy has occurred, and although they are not certain, they come as follows:

• The menstrual cycle stops, which is the most common sign of pregnancy, but it does not appear until 2 or 3 weeks after fertilization occurs.
• Sensitivity in the breasts.
• Fatigue and exhaustion.
• Nausea and vomiting.
• Changes in mood.
• Increased frequency of urination.
• Light bleeding about a week after the fertilization process, which is known as implantation bleeding, meaning successful fertilization of the egg. However, not all women feel this bleeding.

These symptoms may be similar to premenstrual symptoms, or similar to some other various health conditions, so do not rely heavily on them as evidence of pregnancy.

Sources and references:

Ovulation Calculator – webmd

Ovulation calculator: When might you be most fertile – tommys