Introduction to Fertility Charting

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Home > Tools & Resources > Introduction to Fertility Charting

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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

Fertility Chart Fahrenheit (PDF)
Fertility Chart Celsius(PDF)

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)

Comments

I was 5wks 5days when I had a miscarriage in Nov. So I started counting my cycles lenght and kept charting my BBT. Nov 11th was the first day=miscarriage started and then I got my period on Dec 11th. prior to this my cycles average lenght was 26-28days. It's Jan 4th and my BBT remains 97.3, In fact I've been charting that for almost 8 days straight. Before this, all my numbers - Cycles day, BBT, etc, pretty much fell under the normal range. I feel so lost and I've been TTC for over a year now. I was just wondering if this has happend to anyone after a miscarriage? I'm 31 now and this would be my first child.

Anonymous - Jan 04, 2010

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i am 30yrs of age and my wife. right now my wife she have this december 4, 2009 my question is fertility date.

Richard - Dec 04, 2009

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am 29 and i was pregnant and i lost it when i was 10wks we just tried 2 times and i get pregnant it was a big surprise coz we where on a holiday at that time and now we been trying for 2 months and i could t get pregnant and am really worried and my cycle is between 28 days to 30 days and can you please give me some advice thanks

Anonymous - Dec 03, 2009

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Anonymous - Dec 03, 2009

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I'm 49 and my husband and i would like to have a child. my periods are now ranging from every 18 to 31 days. when would you guess my most fertile time to get pregnant?

Anonymous - Nov 09, 2009

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I ma 38 years old & I had a laparoscopy in June (24th). My cylce has since changed from 24 days to 28-34 days in the last two months. Will it return to normal? How do I calculate my most fertile period?

val - Sep 26, 2009

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I have been told too about age factor. I belienve you just have to keep on charting your BBT and cervical mucous. Some one I know had a 42 day cycle and she concieved but you have to invest in Ovulation kits and what not.
Cycle length varies for every women. I am going to be 32 and after my miscarraige in Feb my cycle varied every month. its really hard to calculate ...just have faith and try to understand your cycle. Good Luck everyone

Anonymous - Sep 08, 2009

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my cycle is start at aug.7,2009 it will end at aug 9,2009, we have intercourse in aug 19,aug 27 but its withdrawal. can u help me if is safe or its not safe. thanks!

Anonymous - Aug 27, 2009

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hi i,m 32 years old.my cycle in the past years was after 30 days but in this last months my cycle changed from 38 days to 40 days. i'm very worried because everyone told me that the age is effecting

Anonymous - Aug 07, 2009

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First Day of Last Period:

Cycle Length:

Luteal Phase Length:

Ovulation:
Due Date:
Fetal Age:
Note that you are most likely to get pregnant if you time your lovemaking to occur on the days right before - and on - your ovulation date. Keep in mind that the projected ovulation date above is simply a “best guess” estimate based on your cycle date information. The most accurate way to pinpoint your most fertile time is through the use of urine-based ovulation tests or with a fertility monitor. We have partnered with Early-Pregnancy-Tests.com, the Internet’s leading supplier of preconception products since 2001, to offer low-cost, FDA-approved pregnancy and ovulation tests – with free same-day shipping. Now that you’ve calculated your ovulation date using our ovulation calculator, we have a number of other helpful tools you can use to help increase your chances of conceiving. Create your own personalized ovulation calendar! You can even provide an email address so that you receive email alerts of your most fertile days, when you can begin testing for pregnancy, and more. Create your own personalized fertility chart! This is a highly accurate way to pinpoint your ovulation date that relies primarily on basal temperature charting. (Visit Early-Pregnancy-Tests.com for an accurate, inexpensive basal thermometer.) Connect with others at our online community! If you have questions about trying-to-conceive – or if you just want to vent a bit – we have a wonderful, vibrant community of people who’d just love to hear from you.

Find your most fertile time.