Fertile dates – today we help you calculate when they are

Today we want to show you how to calculate your fertile dates to prevent you from feeling stressed or worrying that you may have got it wrong.

Generally, women with regular menstrual cycles have cycles lasting around 28 to 30 days, counting from the first day of a period. The middle days of the cycle are when a woman is most fertile. But what happens if the cycle is not regular? What day will you ovulate and when can you get pregnant? Does this fertile period last for days or just hours?

All of these questions will be answered in the following report.Fertile dates

Work out if your cycle is regular

First of all you must determine if your cycle is regular or not. The best way of doing this is to note down on a calendar the first day you get your period. If in the past three or four months you confirm that you usually have cycles lasting 28, 29 or 30 days, it means that you are regular and it will be easy to predict your fertile dates.

If, on checking your regularity, you have observed that your cycles fluctuate, and there have been months with cycles lasting 21 days, others 26 days and others 28 days, you are still regular and it will not be difficult to predict your fertile days.

Difficulties arise if you suffer from hormonal disorders or polycystic ovary syndrome, which may affect the regularity of your cycle. In this case, you must be aware that cycles are irregular and that calculating your fertile days won’t be so straightforward, although not impossible.

When is your fertile date?

In a regular 28 day cycle ovulation takes place 14 days before the start of the next period. Approximately 24 hours later, a woman’s temperature rises, making it possible to confirm whether or not ovulation has occurred. To help make these measurements, ovulation kits can be obtained from pharmacies, helping you to know what dates you should have intercourse to ensure the greatest chances of pregnancy.


How to calculate your fertile date if you have a 28 or 30 day cycle

First it is important to calculate your ovulation date. Then you should calculate the optimum date to have intercourse in order to get pregnant. It is estimated that a woman’s most fertile days are two to three days before ovulation.

Why is the optimum time for intercourse not the exact time you are ovulating? It’s because the egg has a very short life cycle and sperm can only live for a few days. If sperm is present in the fallopian tubes when you ovulate, pregnancy may occur.

It has been observed that women ovulate 14 days before menstruation. This is regardless of the number of days a cycle lasts – a woman ovulates 14 days before getting her next period. So calculating the ovulation date is as follows:


Period on 15 June

Ovulation took place around 1 June

Next ovulation will take place on 26-27 June: have intercourse from 23-24 June.


What happens if my cycle isn’t regular?

As we have already outlined, measuring fertility is not as straightforward. However, a centre like ProcreaTec can calculate your fertile dates by monitoring ovulation through trans-vaginal ultrasound and hormone analysis with blood tests, regardless of whether your cycles regular or not.

How long does the fertile period last?

Once the egg is released during ovulation, it is estimated that it survives for only a few hours. The most fertile period is two days before ovulation until the day when ovulation occurs. Therefore, on those days it is recommended to have intercourse to maximise the chances of pregnancy.

Does the body undergo changes during ovulation?

Yes, it is especially notable in terms of vaginal discharge. During fertile days you will produce more and denser vaginal discharge. This vaginal discharge may be a clear indication that you are ovulating, or that is the day before ovulation. Other common changes that may not always be notable are sharp pains in the lower abdomen or breast tenderness.

Ovulation may even lead to increased sexual desire as a result of the hormonal changes going on at this time.

However, if you have any queries, your gynaecologist can help you make these calculations. Also, at centres like ProcreaTec that are specialised in fertility, in the event of having irregular cycles or failing to make the necessary calculations, periodic checks can be made that will give precise information, so that timings can be optimised to achieve the desired pregnancy as quickly as possible.

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