You need to know that an egg can be fertilized by a sperm only four days before and three days after ovulation. Simply use the date of your previous menstrual cycle as a starting point. In the case you have primarily regular periods, you can easily calculate your ovulation days. To know the exact day is not always possible, though. Ovulation typically occurs approximately 14 days before the start of the next menstrual cycle. In other words, if you have sex outside your ovulation days, you're good. So if you happen to have intercourse, you don't need to be worried. During this period, there is not a viable egg present. This is the "safe window" for those who want to have sex without any kind of protection. Your safe days are those days in the calendar when you have minimal chances to get pregnant if you have sex.
Once you are aware of what is happening in each phase of your cycle, you will be able to precisely calculate the days when it's safe to have sex to prevent conception. To calculate and plan you're safe days, you first have to know and understand your menstrual cycle. This method will remove any pregnancy scares you might have. It is a natural family planning method as it gets, with the lowest risk possible, if properly used. That means no hormones, injections, or drugs in your organism can have various effects on you, including weight gain and extreme mood swings. Safe days are a scientifically tested and proven method of preventing unwanted pregnancies without using any kind of contraception method. If you are not ready to have a baby yet but want to enjoy sexual intercourse, you can do that and still be safe. It is for this reason that when you miss your first period, you are four weeks pregnant even though you are in your fifth week of pregnancy (i.e., starting of a new month).Also Use: Ovulation Calculator, will help you determine your “fertility window”.Īlso Use: Due Date Calculator, If you want to know when your precious is coming.īeing a responsible, sexually active person is essential if you want to avoid an unplanned pregnancy.
It, therefore, gives reliable estimated due dates. For instance, if it is a three-day embryo transfer, subtract three days, and if it is a four-day embryo transfer, subtract four days (11). The IVF due date is calculated by adding 38 weeks (i.e., 266 days) to the day the eggs were inseminated.Īn alternative calculation is by adding 38 weeks to the date of transfer and subtract the age of embryos from this date.
The insemination or egg retrieval procedure is scheduled before ovulation in IVF, thus making it more accurate. This is because the exact date of embryo transfer is known. How Do You Calculate Pregnancy Weeks After IVF (In Vitro Fertilization)?Ĭalculating weeks of pregnancy and the due date is more precise during an IVF than it is during natural conception. It equals nine months and one week (and can be longer if you go beyond the due date). Forty weeks adds up to nine calendar months and a week (with 30 or 31 days each) or ten lunar months (with 28 days each) (10).įor instance, if your last period was on January 1, your estimated due date would be October 7 or 8. Does Pregnancy Really Last For Nine Months? You will require extra energy to help your baby grow and beat the tiredness (9). Third trimester: It lasts from week 29 until you deliver the baby.
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