Introduction to Fertility Charting

Fertility Charting allows you to chart and predict ovulation by looking at - and recording over time - important fertility variables.

Methods of fertility prediction used in fertility charting include:

Ovulation Prediction: Starting A Fertility Chart

In order to maximize your chance of getting pregnant, fertility charting involves looking at a number of different fertility variables and recording observations over time on a special fertility calendar (or fertility chart).


Download A Fertility Chart

How Do Fertility Charts Work?

Fertility charting combines several methods of ovulation prediction to help pinpoint your most fertile times with increasing accuracy. The most comprehensive fertility charts ask you to record:

  • The dynamics of your menstrual cycle: calendrical recording of cycle days beginning with the first day of your menstrual bleeding, physiological or emotional changes, breast tenderness, ovulation pain / Mittelschmerz, or any unique, regular symptoms that helps you identify stages in your cycle.
  • Basal Body Temperature: Charting the time you take your BBT temperature, temperature increases or decreases from day to day.
  • Cervical Mucus Observations: Charting changes in the presence and feel of cervical fluids.
  • Cervical Position Observations: Charting changes in the position and feel of the cervix throughout the menstrual cycle.
  • Ovulation Test Results: Recording the date of your LH Surge (the moment of ovulation).

By charting these variables - and looking at patterns and relationships - you will be able to determine your most fertile time for conceiving a baby. To look at each of these variables (or fertility prediction methods) in detail, click on the links below:

> Return to Fertility Charting
> Changes in your body temperature (BBT)
> Cervical mucus analysis
> Cervical position examination
> Calendar patterns of fertile/infertile periods
> Ovulation Testing (LH Home Diagnostics)


Hi I hit miscarriage lat July..after 1 week intake Dian pills to prevent pregnancy..i have my last sex intercourse August 10 2013,August 18 2013 is my menstraution. September 12 2013 is my again . . October 3 2012 is my period I pregnant? I vomit last mint and once this I remember I take 1 contraceptive pill after sex plus I'm taking diannpill.

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i had my period last february 28-mar.2 then we had an intercourse on mar. 5 which is the first day of my unsafe period according to the calendar rythm method is being pregnant possible?

I finished my period on the 26th nov had sex on 28 29 30 and the 1st dec could I be pregnant

how do i kown when im ovalating

pls,i saw my last mense april 16,nd i saw my mense today being 11,pls wat is my luteal phase?

My name is Betsy, i saw my mensis last 4th to 8th may, 2012 and i want to know my ovulation period, when am safe and not safe.

I am 34yrs old and i want to get pregnant. I use to have a free flowing mensis but for over ten years now i have being having clouth and painful mensis and have not also been pregnant too. My mensis sometimes comes 22, 24,26 days, and once in a while it comes 27 and 28 days but before i started having pains and clouth mensis my mensis do comes 28 and 29 days. What should i do? Pls help me.

can i get pregnant if i dont get & orgasm? and wat can help u to get one, if u dont?

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Ovulation Calculator

Format: 10/21/2014
Increase your chances of getting pregnant! Our Ovulation Calculator will help you predict when you ovulate - your prime time for becoming pregnant.

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By TTC veteran and mother of two, Elizabeth Andrews.