• Use this Online Calculator to help determine your Unsafe Days. You can choose to get the Unsafe days for the next 3 months to over the next 1 year

  • This can be especially helpful for couples that need to plan their Sex Life to avoid pregnancies.

  • This allows you to use simple techniques which are in your control to prevent an Unwanted pregnancy.

  • Once you have the dates, you can set up FREE EMAIL REMINDERS , and even pay a small fee to receive SMS's to Alerting you on your Unsafe days ( at the moment, this service is available only in India)

  • Fertility Awareness relies upon the following assumptions:

    • An egg (ovum) can live inside a woman’s body for 12-24 hours. Sperm can live in a woman’s body for up to 5 days after intercourse, though this is more often just 2 days. Pregnancy is most likely if intercourse occurs anywhere from 3 days before ovulation until 2 days after ovulation.
    • Since the exact time of ovulation cannot be predicted, we add 2 to 3 days to the beginning and end.
    • This is very useful method, because it is safe and effective, if followed properly. Even better, it allows your husband to become an active partner in planning your family

Enter the following to get started :
Please enter the first day of your latest period.
(Click on the white box which says "Click Here" and select a date from the Calendar View)
The Length of your menstrual cycle(in Days).
[This is the time from Day 1 of your period ( the day your bleeding starts) to Day 1 of your next period.If you are not sure how to calculate this, Please click on the Blue Link on the right; In the window that opens, enter your last 4 Menstrual Cycle Dates, and we will do this for you !]
Calculate It
Select the number of Cycles for which you wish to get the Unsafe Dates

This service is provided by Plus91 in conjunction with Malpani Infertility Clinic..

Cycle Length Calculator - No Baby Now

Starting Date of Last Cycle
Starting Date of Second Last Cycle
Starting Date of Third Last Cycle
Starting Date of Fourth Last Cycle



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    The results of the calculator may vary if your periods are irregular. Do not use it to predict your ovulation dates if your periods are irregular.