Calculate when you are fertile with a different cycle

If you want to become pregnant, everything revolves around your menstrual cycle. Your cycle determines when you are ovulating. And if you know when you are ovulating, you also know when you are fertile. Usually a menstrual cycle is about 28 days. But what if your cycle does not last 28 days but is longer or shorter? And what should you do if your cycle is irregular? Read here how you can calculate when you are fertile with a different cycle.

Calculate menstrual cycle

Your menstrual cycle is the time between one menstruation to the next menstruation. The cycle begins on the first day that your period starts and ends on the day before your next menstrual period. If you count this number of days, you know how long your menstrual cycle is.

The first day of your period is the day that your blood loss is such that you have to use a tampon or sanitary napkin. You're ovulating between the two periods that you have your period. Usually your ovulation is 14 days before the first day of your next menstruation.

Why a different cycle?

No woman is 'average', every woman is unique and therefore it may be that your menstrual cycle is not average. If your cycle is between 24 and 35 days then it is still quite normal and nothing is wrong. So there is no clear cause for this, we are just a bit different.

It can also happen that your menstrual cycle is sometimes a bit longer and sometimes slightly shorter. This can for example be related to the amount of stress, you have experienced a major event or you have a different daily rhythm because you are on holiday for example. Calculating when you are fertile with a different cycle is a bit trickier, but you can do it.

You can also check whether you are fertile with an ovulation test! Order online!

Short menstrual cycle causes

If you have a shorter cycle of about 24 days, there is nothing to worry about. However, if your menstrual cycle is shorter than 21 days, then something is going on. With such a short cycle it is almost impossible to let an egg ripen properly before the next menstruation starts again.

If you have a different cycle of 21 days, it is good to contact your doctor. Especially if you have a child wish. When your cycle is shorter than 21 days and you have severe bleeding during menstruation, you may have polymenorrhoea. In the worst case you can get anemia. Polymenorrhea is caused by:

  • Hormones.
  • Fibroids, chronic pelvic inflammation or endometriosis.
  • Serious injuries or when you have had a major operation.

Polymenorrhoea is common in younger girls who have just become menstrual, women in the menopause or women who have just given birth and where menstruation has yet to start.

If you are not one of these women, please make an appointment with your doctor so that you can see what is the cause for you. Hopefully this can be quickly resolved.

Long cycle causes

It often happens that women have a longer cycle. For example, a menstrual cycle of 30 to 35 days is fairly normal. If your period is longer than 42 days (6 weeks) then you may not have ovulation. Also contact your doctor.

Women whose menstruation occurs only once every three months may have oligomenorrhea. Usually these women also have a disrupted menstrual cycle. Causes of oligomenorrhea are:

  • Hormonal imbalance due to, for example, a disturbed thyroid gland, adrenal cortex or pituitary gland.
  • Problems with the ovaries think of PCOS, fibroids or endometriosis.
  • Damage to the ovaries by, for example, a chemotherapy or radiation.
  • Certain lifestyle choices such as excessive exercise, extreme weight loss or incorrect nutrition.

Causes irregular cycle

Women who have an irregular cycle can usually just get pregnant. Only it is sometimes difficult to determine when you have to have sex. In any case, it is good to look at the following list of causes for an irregular cycle. If something is applicable to you, try to tackle it or have it investigated:

  • Certain medication use.
  • Stress, depression.
  • Extreme weight loss or weight gain.
  • Excessive sports.
  • PCOS.
  • Problems with sexual organ such as endometriosis, uterine cancer, inflammation.
  • Stop contraception.

Other signs that you are fertile

There are signals that your body gives to show that you are fertile. If you notice these signs, you can also better ensure that you have an adventure with your partner! Calculating when you are fertile with a different cycle is then actually no longer necessary!

  • A cramp or pain left or right at the bottom of the abdomen about 2 weeks before you have to have your period may indicate ovulation.
  • You have more desire to make love.
  • Your separation becomes clear and shiny. A day before ovulation, the mucus is often stringy and thin. It then looks like protein. If you do it between your fingers and you spread the fingers apart you see wires. That is the sign that your ovulation is coming. If the ovulation has changed, the mucus changes and it becomes whiter.

Calculate when you are fertile with a different cycle

Some facts at a glance:

  1. Your ovulation is about 14 days before the first day of your next menstruation. Whether you have a long or short cycle, it is always about 14 days.
  2. After ovulation, the egg stays good for about 12 to 24 hours, after which it is rejected.
  3. Sperm cells can stay alive for 2 to 5 days in the uterus. That depends on the quality of the sperm cells.
  4. A sperm cell takes between 12 to 24 hours until it reaches the uterus.

If you want to calculate when you are fertile with a different cycle then you first need to know how many days your menstrual cycle is. Keep this a few days and see if you have a kind of average.

For example:

My cycle is 24 to 26 days, so on average 25 days. That way you can also view that in yourself. If you have an irregular cycle, try to see if there is a pattern in it. For example, you clearly have a shortest cycle and a longest cycle. Then try to always keep a margin between those two cycles.

Calculate when you are fertile with a different cycle? That's how you do that!

Ovulation is about 14 days before your next menstruation. Then you take a margin of 1 to 2 days, or the margin of your shortest or longest cycle. So suppose you have an ovulation on the 10th day of your menstrual cycle (with a short cycle). Then you count from the 8th day.

Just to be sure. Because the sperm cell has to travel first, it is good to start making love a few days before the 8th. Just about 4 days before. Free from that day at least every day until 2 days after your ovulation. This way you have a wide margin and you could also become pregnant if your cycle that month is a bit longer or shorter.

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