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What is a Fertile Window & how does it help to Conceive?

A woman is most likely to become pregnant within their “fertile window,” which includes the day of ovulation and the five days preceding it. Here is your comprehensive guide to identifying your reproductive window and elevating your chances of becoming pregnant.


An egg is released from an ovary during ovulation and travels through the fallopian tube. It lasts 12 to 24 hours in the reproductive tract. If sperm fertilises the egg at this period, conception can happen; if not, the egg sheds with the uterine lining during menstruation.

Your chances of becoming pregnant are at their peak one day prior and within 24 hours of ovulation. Pregnancy is possible if you have intercourse in the five days before ovulation and if you are someone who is suffering from fertility issues, you can reach out to our fertility experts at Banker IVF, the best IVF centre in Ahmedabad. Because sperm can remain viable in the reproductive system for five days, days-old sperm can still fertilise an egg that has just been released. This happens because sperm can survive in the reproductive system for five days, meaning to say that, days-old sperm can still fertilise an egg that has just been released.

Understanding & Calculating the Fertility Window

Online ovulation calculators can provide quick answers for determining your fertile window. However, they aren’t usually correct since few people have consistently regular periods. Here are some of the best methods for determining your reproductive window.

It’s important to determine the period cycle length by keeping a menstruation diary while trying to forecast the fertile window and the ovulation period. Start by keeping a paper notebook or a smartphone app like flo to record your menstrual cycle for a few months. Next, examine the data to determine your typical cycle length.

Day one of the cycle is the first day of the menstrual period, and ovulation typically takes place about 14 days before the start of your next period. For instance, if there are 28 days between cycles, we would estimate ovulation takes place on day 14. On the other hand, if the cycle is 30 days long, we would anticipate ovulation on day 16 of the cycle. The fertile window for both cases is days 9–14 and days 11–16, respectively, because a person is most likely to become pregnant on the day of ovulation and the five days prior to it.

For those who suffer from fertility issues, determining the fertile window is quite difficult, hence, visiting a doctor or fertility specialist is preferable. Progesterone levels in blood samples taken by doctors can be used to confirm ovulation.

When can one conceive?

Of course, having regular sex is the greatest way to get pregnant. Have intercourse daily or atleast on alternate days during your fertile window. But remember that conception most likely won’t occur soon away. The chance of conception every month is approximately 25% for young women (under the age of 30) and declines to fewer than 5% by the time women reach their 40s, even if the timing is ideal and there are no other diagnoses at play.

It could also be that you could not ovulate frequently if your average menstrual cycle is longer or shorter than 21 to 35 days. If a couple hasn’t conceived after a year of trying (or six months if they’re over 35), they may be experiencing infertility. In such cases, reach out to a fertility or IVF specialist for better guidance. Banker IVF is one such fertility centre equipped with modern and advanced technology that will help you to fulfil your dreams of parenthood. There are numerous potential contributing factors; some are lifestyle-related and may be adjustable, while others may call for the use of medicine to trigger ovulation. If you are confused, it is best to seek help from an expert and in NO CASE TAKE MEDICINES WITHOUT PRESCRIPTION.

You can contact us by clicking on the link below and book an appointment with us to clear all your fertility-related issues and doubts.

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