The online ovulation calculator is similar to the calendar pregnancy weekly (calculate due date for pregnancy) in that information regarding a woman's menstrual cycle is entered to come up with estimated information. In the case of the online ovulation calculator a woman must enter the first day of her last menstrual period and the length of the cycle (how many days), to determine her peak fertility period or the best time to get pregnant (increasing a couple's chances at getting pregnant). These online ovulation calculator can be found online for free and are a wonderful tool to help control your fertility period so a couple can have sex during the most fertile period.

Both the online ovulation calculator and online calendar pregnancy weekly (calculate due date for pregnancy) can offer helpful information and tips to couples wanting to get pregnant and during pregnancy. Some of the advice available on the online calendar pregnancy weekly can include:

• having a healthy baby;

• parenting roles;

• health care during pregnancy;

• labor and birth;

• work and pregnancy;

• preparing for the baby;

• first, second and third trimester information;

• baby names;

• baby gear;

• breast feeding and,

• complications that can occur during pregnancy and birth to name a few.

Of course the information provided in the by calendar pregnancy week week is only to be used as a general guide as each pregnancy is unique, with some babies developing faster or slower than others.

To calculate due date for pregnancy a couple can use a calendar pregnancy weekly. Similar to the online ovulation calculator a woman would enter the first day of her last menstrual period, the pregnancy due date calendar will than determine the pregnancy due date. After a pregnancy due date is established the calendar pregnancy weekly will give a week by week update on what is happening with the pregnancy, with plenty of information and advice to look forward to. Again the calendar date due pregnancy is only an estimate, depending on the pregnancy a woman's due date can vary and be earlier or later than the due date.

If you've already used an online ovulation calculator, using a calendar pregnancy weekly to calculate due date for pregnancy will be easy. By simply entering the first day of a woman's last menstrual period the calendar pregnancy weekly will calculate a couple's pregnancy due date. A pregnancy due date calendar is an excellent way to receive regular updates

Starting with the online ovulation calculator a woman can enter the first day of her last menstrual period and determine her peak fertility period. Afterwards during pregnancy a couple's best friend throughout the pregnancy will be the calendar pregnancy weekly, this will calculate due date for pregnancy and offer a multitude of helpful information from conception through to birth. A pregnancy due date calendar will essentially build a day by day customized calendar which will detail the development of baby from before conception until birth.

A calendar pregnancy weekly (calculate due date for pregnancy, just as the online ovulation calculator determines peak fertile period) can offer information to include:

• mom and dad roles;

• health care throughout pregnancy;

• complications;

• first, second and third trimester information;

• labor and birth;

• work and pregnancy;

• preparing for baby;

• naming baby;

• managing your weight;

• bed rest;

• pregnancy symptoms;

• sex during pregnancy;

• relationships during pregnancy;

• birth announcements;

• twins and multiples;

• emotions and moods;

• ultrasound photos;

• prenatal vitamin information for mother;

• how the baby is growing inside mother;

• and suggested reading.

Both the online ovulation calculator and calendar pregnancy weekly (calculate due date for pregnancy) are excellent tools that are sure to be appreciated by both expecting mothers and fathers. Of course the calendar pregnancy weekly should only be used as a general guide as each pregnancy is unique with some babies developing more quickly or slower than others, and should never replace the advice of your obstetrician. It's also nice to know that after your bundle of joy is born several of the online pregnancy due date calendar can be used to receive further updates on breast feeding, bulletin boards (share and read advice from other moms and dads), shopping, newborn and baby information, toddler (12-24 months), preschooler information and older kids information (5-8 years).
About the Author

Valerie Giles owns and operates Are-You-Pregnant? http://www.are-you-pregnant.com. Find resources and FAQ for expectant parents on our pregnancy web site, including symptoms of pregnancy, conception calculator, trimester development, child birth, breast feeding as well as maternity merchandise. The accompanying articl