Period Calculator: Use Period Cycle Calculator Online

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Start day of last period

How long did it last

Average length of cycle

Myth: Morning sickness wears off by lunchtime

Fact: It's common to feel nauseous throughout the day but if it is getting too much, you must talk to your doctor

Myth: Morning sickness wears off by lunchtime

Fact: It's common to feel nauseous throughout the day but if it is getting too much, you must talk to your doctor

Predicted Dates

Period days

Ovulation days

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* The result is an estimate assumed for single pregnancy.
Results for multiple pregnancies may differ.

Learn About period

The Period Calculator provides the estimated starting time of your menstrual cycle. For calculating the beginning of your next cycle, the following dat a is taken into account : 1.The day on which the menstruation cycle starts (or last one). 2.Number of days until the start of the next period. 3.Keep a record in a similar manner, say for 3 months, and add the total number of days. This number is divided by three. The average number of days thus given by the calculator is the average cycle length of your period. (You can take a period longer than 3 months too, divide the number of days by that number in that case) It is very simple and easy to know about your next period. This information will help you know the most exact or closer date to your menstruation. ...Read More

How do we calculate it?

The pregnancy conception calculator calculates your conception date based on some fundamental data, including the due date, last date of the period, ultrasound date, or an IVF transfer date. You have to feed the required information in the above calculator to know your conception date.

How does Period Calculator help me?

The date of your period will help to know you about many other things like your ovulation period, the likelihood of you getting pregnant during that time, the most probable date of your next period, etc. You can be well prepared in case you want to take any decision regarding your pregnancy. If the period does not strike on the date calculated in the above manner or within 8-10 days thereafter, you can get further confirmation in any other scientific manner about the reasons for missing it. Even if you want to plan for a trip or any other event, you can map your cycle using this calculator. The period calculator, being your helping hand, lets you know when to expect your next period.

What fields do I need to enter?

Enter the details such as,

The date on which your last period started,
How long did it last-expressed in the number of days
Length of your menstrual cycle.

Once you click on the button to know the date of your next period, it informs you when it’s due.

Why is my period late?

Do not stress out considering pregnancy as the most likely outcome. It is one of the possibilities but the delayed period could be because of many other causes. If your period gets delayed by a day or two, there is no reason to worry. The period is considered late only if it has been more than 38 days since you had your last period. However, if your cycles are very much regular, and in that case, you get periods later than 4-5 days, then you may need to find out the possible reasons.

Tools to help you plan better

Get quick understanding of your fertility cycle and accordingly make a schedule to track it

Pregnancy calculator

Ovulation calculator

Pregnancy Conception Calculator

Pregnancy Due Date Calculator

Quick Answers

How do we calculate it?

The pregnancy conception calculator calculates your conception date based on some fundamental data, including the due date, last date of the period, ultrasound date, or an IVF transfer date. You have to feed the required information in the above calculator to know your conception date.

How does Period Calculator help me?

The date of your period will help to know you about many other things like your ovulation period, the likelihood of you getting pregnant during that time, the most probable date of your next period, etc. You can be well prepared in case you want to take any decision regarding your pregnancy. If the period does not strike on the date calculated in the above manner or within 8-10 days thereafter, you can get further confirmation in any other scientific manner about the reasons for missing it. Even if you want to plan for a trip or any other event, you can map your cycle using this calculator. The period calculator, being your helping hand, lets you know when to expect your next period.

What fields do I need to enter?

Enter the details such as,

The date on which your last period started,
How long did it last-expressed in the number of days
Length of your menstrual cycle.

Once you click on the button to know the date of your next period, it informs you when it’s due.

Why is my period late?

Do not stress out considering pregnancy as the most likely outcome. It is one of the possibilities but the delayed period could be because of many other causes. If your period gets delayed by a day or two, there is no reason to worry. The period is considered late only if it has been more than 38 days since you had your last period. However, if your cycles are very much regular, and in that case, you get periods later than 4-5 days, then you may need to find out the possible reasons.

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