The average pregnancy lasts about 40 weeks from the date of your last normal menstrual period, according to the KidsHealth website. The 40-week pregnancy is broken down into trimesters. Health-care professionals use trimesters to group specific...
If you can't or don't want to use hormonal birth control methods such as the birth control pill, you can still reduce your risk of becoming pregnant before you're ready by using the calendar method for preventing pregnancy. If you and your partner...
Physical activity is beneficial during pregnancy, no evidence supports the notion that exercise done by healthy pregnant women at the appropriate fitness level causes miscarriage, preterm labor, or poor fetal growth and injury, indicates the...
Pregnancy milestone calculators, also called pregnancy calendars, help women to understand and anticipate the changes going on inside their bodies during the nine long months of pregnancy. Particularly because pregnancy math can be somewhat...
Your simple, natural interactions with your baby are key to his development at nine weeks. He is awake longer, so you can spend more time with him. He is captivated by his hands and is constantly bringing them to his face. His communication...
Freestyle swimming appears to be just fine for pregnant women, although you always should check with your doctor about starting or continuing an exercise program when you are pregnant. In general, swimming is one of the best exercises for you, as...
There are many health benefits of exercise during pregnancy. Though pregnancy is not the time to start running, you should be able to continue as long as you take some precautions and get approval from your doctor. If you feel dizzy during or...
When you are pregnant, you should exercise for at least 30 minutes daily, according to The American Congress of Obstetricians and Gynecologists. Exercise reduces fatigue, improves your strength and helps you with some of the normal side effects of...
By the time your baby is 8 weeks old, you are likely still trying to keep up with all the changes to date. During the first year, babies change and develop so quickly, it seems as though it is happening before your very eyes. By week 8, there are...
Once you find out you are pregnant, you need to pay attention to what you are using to fuel your body and your baby's growth. Nutrients are vital to the development of your baby, especially during your first trimester. While you are pregnant, your...
Human beings -- from 3-week-old babies and toddlers to infants and adults -- go through development stages to adapt to their environments, understand what's going on around them, grow and learn the basics of social existence. Development is a...
Your pregnancy is typically measured in weeks, so you must calculate to figure out how many months pregnant you currently are. Doctors typically set due dates at 40 weeks from the first day of your last period, with trimesters dividing the weeks....
When you get the news that you're pregnant, a flurry of excitement and activity follows. You'll need to schedule your first appointment and get your first prenatal vitamins, but you'll also need to estimate when your baby is due. Using the first...
When you get your first positive pregnancy test, one of the lingering questions you might have is when you actually become pregnant. To calculate the exact date of pregnancy, also known as the date of conception, you must first understand your...
Even though only 5 percent of babies are born on their official due date, knowing your due date is important to you and your doctor. The American Congress of Obstetricians and Gynecologists says that your due date is used by your doctor to...
Taking good care of your body when you are trying to conceive and during your pregnancy promotes a problem-free pregnancy and reduces the risk of your baby suffering complications in the womb or after birth. Proper care involves making healthful...
To calculate your exact date of conception you'll need to know the start date of your last menstrual period, how many days in your menstrual cycle, or when you ovulated. If you don't have that information, you can work backwards from your due...
Once you learn that you're pregnant, you may be eager to find out the gender of your baby. A baby's external sex organs typically develop around the fourth month of pregnancy, according to the American Congress of Obstetricians and Gynecologists....
Pregnancy causes your body to change and a variety of symptoms to emerge as your baby develops. The often severe symptoms of the first trimester give way to the comfort of the second trimester, which eventually leads to the contrasting discomfort...
If you're a pregnant woman who's entering the third trimester, you may wonder if your baby's gaining enough weight. And if you fear that he's not, you might be tempted to overeat or go heavy on calorie-loaded foods just to make the baby bigger....
If you're pregnant, this is an exciting time, eagerly awaiting the arrival of your baby. Gestation is usually 38 weeks, or 266 days from conception to birth. There are several ways to calculate your due date, but you need to know the date you...
At 15 weeks gestation, your unborn baby measures four inches long from crown to rump. Babycenter states that he also weighs about two and a half ounces. In addition to his small size, his looks are also characterized by some special developing...
Being pregnant is a time of wonder. Both parents can become curious to what their developing baby looks like inside the womb. Luckily, the development of a fetus follows a relatively predictable course of growth. A 5-week-old fetus is developing...
If you've recently learned that you're pregnant, your main concern probably is making sure your baby is healthy and that your pregnancy is going well. You'll make many trips to your health care provider to ensure everything is going OK over the...
Pregnancy describes the period of time from conception to birth as an egg develops into a baby. Because no one knows exactly when an egg becomes fertilized, doctors calculate the length of pregnancy as 40 weeks from the first day of the last...
When estimating your expected delivery date, your menstrual period counts as the first week of your pregnancy and your due date is estimated from the beginning of your last period. Symptoms are rare in the first week of pregnancy, as your baby has...
By week 33, you're nearing the end of your pregnancy and your baby is growing rapidly. As baby begins to prepare for birth during the coming weeks, you're likely to notice some significant changes in your own body. This is a good time to start...
Your human chorionic gonadotropin, or hCG, levels can tell your doctor quite a bit about your pregnancy. Your doctor will confirm your pregnancy by testing your hCG levels and the same hormones will tell your doctor more about your pregnancy later...
According to the National Institutes of Health, pregnancy tests performed at home are about 98 percent accurate when used properly according to the package directions. Pregnancy tests detect a hormone called HCG, for human chorionic gonadotropin,...
How to use a home pregnancy calculator. Learn about obstetrics from a doctor in this video on understanding pregnancy.