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HealthcareHow to calculate your safe period to avoid pregnancy

How to calculate your safe period to avoid pregnancy


Infertile days and safe intercourse times have been used for thousands of years to avoid pregnancy. A better understanding of the menstrual cycle can help you better estimate the number of safe days.

What is the Safe Period?

For women, a "safe period" refers to the days in which they are less likely to conceive than other days. This is the best time to have sex with your partner if you don't want to have children and don't want to take birth control.

Typically, ovulation happens 14 days before the start of the next menstrual cycle for most women. It is difficult to predict exactly when your next menstrual period will begin. The days of ovulation can be easily calculated, though, if your periods are generally predictable.

To begin, consider the previous menstrual cycle's date as a reference point. Fertilization of an egg can occur just four days prior to ovulation and three days following ovulation, therefore timing is critical. In other words, since now is not a safe time to engage in sexual activity, you should refrain from doing so.

In a biological sense, this is a time when the egg is not available for fertilization. You cannot get pregnant if you have intercourse during the infertile period of a menstrual cycle, which is when there is no egg in the uterus.  Ovulation can be easily calculated if your periods are generally predictable. To begin, consider the previous menstrual cycle's date as a reference point. Fertilization of an egg can occur just four days prior to ovulation and three days following ovulation, therefore timing is critical.

In other words, since now is not a safe time to engage in sexual activity, you should refrain from doing so.

Reasons you should calculate your safe period?

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You will benefit from calculating your safe period because it will help you determine which days are best for unprotected intercourse without fear of pregnancy.

If you don't want to have a family right immediately, you need to know how to determine your safe period.

In addition, the safe period calculation is an excellent method of birth control because it does not require the consumption of hormonal birth control pills, the use of an IUD, or the administration of hormone injections, all of which can have varying effects on women, ranging from mood swings to weight gain and other problems that impair their well- being.

How to Avoid Pregnancy by Calculating Your Safe Period

It is necessary to have a basic knowledge of the menstrual cycle in order to assess the number of safe days you have left. You also need to have knowledge about the cycle's phases.

The Cycle's Phases

The follicular phase, the ovulatory phase, and the luteal phases of the menstrual cycle can all be considered distinct phases.

Every woman's cycle is different, and so is the length of each phase. 28 days is thought to be a typical menstrual period. The first day of monthly bleeding is counted as the start of the menstrual cycle.

In each phase, we'll take a closer look.

First Phase: Follicular/Proliferative Phase

During the follicular phase, which precedes ovulation, the follicles develop. The ovary's follicles reach full maturity during this stage.

Ovulation marks the conclusion of this stage. Follicle-Stimulating Hormone (FSH) is secreted at this stage due to the action of estradiol, the active hormone.

Second Phase: Ovulation

When a mature ovarian follicle ruptures and releases an ovum, it is during the ovulation phase (also known as an egg).

The ovulation period encompasses the days leading up to and following ovulation. When a woman is ovulating, she has the potential to get pregnant.

Third Phase: Secretion (luteal phase)

The final stage of the menstrual cycle is known as the luteal phase.

There are two possible outcomes: pregnancy or the degeneration of the corpus luteum is marked by this stage.

Temporary hormonal structure, the corpus luteum, aids in the production of estrogen and progestogen. Endometrium, the inner lining of the uterus, requires estrogen and progestogen to function properly.

During a woman's post-period safe days, the sperm and egg life expectancy are taken into consideration, as well as the woman's own health.

If the menstrual cycle is average in length, ovulation occurs on the 14th day of the cycle (28 days). Ovulation can occur anywhere from the 12th to the 19th day of the cycle, depending on the individual woman.

A sperm's lifespan in the uterus ranges from three to five days. As a result, having sex five days before ovulation and becoming pregnant is conceivable.

The egg's life cycle is barely a few hours long. The egg will die if it is not fertilized during that time period.

Avoiding Pregnancy with a Safe Period Chart

In order to make things easier for you, we've broken down safe days and unsafe days into the following categories:

When to Avoid Getting Pregnant by Having Sex

  1. Is it safe to have sex at any time of day or night?

Rule of thumb: If you're having fun with someone, you're open to getting pregnant! A woman's ovulation can't be predicted with any degree of certainty, because so many variables come into play. Ovulation usually occurs 12 to 14 days before a woman's period begins, however, some women ovulate earlier or later than this. A guessing game is required to determine whether sex is safe while avoiding pregnancy.

  1. How Often Is a Safe Period?

Because of this, many women assume that having sex immediately following or just prior to the onset of their period is safe and will not result in pregnancy. Be aware that these figures can be imprecise due to hormone fluctuations and shifting schedules. If you have a typical 28-day cycle, the seven days before your period is the safest time. However, keep in mind that this computation only works if your periods are consistent. If you skip a period, here is what it could signify.

There are different ways to calculate Safe Period 

Here are a few ways to figure out how long you'll be safe:

Menstrual cycle calculator that is safe to use

Preventing an unintended pregnancy naturally and without any negative effects is the goal of a safe period calculator. Most of the time, cycle calculators are right on the money.

Many consumers, however, are baffled by the complexity of these calculators and apps. It's also possible that not all women have access to the kinds of data they need to determine their infertility phases, such as months' worth of data on body temperature, cervical mucus, and menstruation dates.

To use these calculators, you'll need to have information on your menstrual cycle and your body temperature. And avoid the following;

  1. Stay away from your fertility period

Try to avoid your fertile period because you are most likely to become pregnant  Stay away from your opportune time. Keep in mind that varied cycle lengths dictate the number of safe days you have each week. For a variety of cycle lengths, the most fertile days are shown in the following table. Avoid intercourse on the following days if you don't want to get pregnant:

  1. Calculate the Lowest Probability Time Periods for Pregnancy

Identifying your fertile days is easier if you keep track of your periods for at least six months.

The first step is to: Use the following equation: In order to get your shortest cycle, subtract 18 days from it. Count backward from the first day of your next period and put that date on your calendar using the resulting number.

Then, add 11 days to the end of your longest period. Using that date as a starting point, determine how many days until your next period begins. Put it on your calendar.

Thirdly, Between these dates, you're at your most fertile. Having unprotected sex at any time other than these dates should be fine. Be aware that sperm can live for up to four days, therefore you should also consider the four days on either side as a possible risk. This only works if you have regular menstrual cycles.


The Safe Period Calculator can be used by whom?

Natural methods of family planning may be effective, but you should discuss this with your doctor first. During a checkup, the doctor will determine if these are appropriate for you. Do not use the safe period calculator unless your doctor has given the okay.

It is safe to use the safe period calculator method of birth control if your menstrual cycle is regular and falls within the average range of 26 to 32 days and the variation between your longest cycle and your shortest cycle is about seven days.

There are a few people who should avoid using the calculator.

Using the same rule as before, if your longest and shortest cycles differ by more than eight days and you are in the typical 26- to 32-day cycle, you should avoid using this method.

You should wait six months after childbirth to use this method because of hormonal changes.

How to Find out when You're Expecting a Baby?

Because safe days are computed based on ovulation, safe periods and ovulation are linked. The first seven days of a normal menstrual cycle, which lasts 26 to 32 days, are considered safe and unfertile according to the widely used Safe Period Calculator method.

According to the concept that the sperm in the reproductive canal have a lifespan of 3 to 5 days, this is how it works. On the 19th day, ovulation is calculated using this method. As a result, fertilization can continue up to the cycle's 20th day.

There are a lot of variables to consider while making these calculations because they are all approximations.

The WHO (World Health Organization) data suggests that roughly 80 percent of menstrual periods are between 26 and 32 days long.

Have Sex Without the Fear of Getting Pregnant: Other Options

Safe Period

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If you're looking for methods to have sex without fearing conception, here are some ideas. We'll take care of you.

Use of a Condom

In addition to protecting you against STDs, condoms are the most convenient way of contraception.


Use Different Positions, Places, and Strategies

Have sex in a variety of positions and locations throughout the house to keep things interesting!

Buy Sex Toys for Yourself

It's easy to locate a sex toy that you and your partner both enjoy when couples let their inhibitions loose in bed. Vibrators, dildos, and more are available for your pleasure.


Sexy Prelude

Add some excitement to your foreplay by playing strip poker or creating your own game.


There are certain drawbacks to the FAM method of birth control. So, to avoid unintended pregnancy, be on the lookout and careful in your calculations.

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