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Pregnancy term is used to state the 3 weeks before and 2 weeks after the estimated due date. Pregnancy due date is used to state the estimated date of delivery of the baby. These are all estimations as childbirth usually occurs around 38 weeks after conception or about 40 weeks after the last menstrual cycle you had.
Gynecologists and obstetrician doctors would usually inform you about your expected due date through sonogram, which is a more accurate method of determining your due date. However, this calculator does help you estimate your delivery due date without a sonogram as this is based on your last menstrual cycle. Studies have shown that fewer than 4% of births occur on the exact due date, 60% occur within a week of the due date, and almost 90% occur within two weeks of the due date.2 As such, while it is possible to be fairly confident that a person’s child will be born within about two weeks of the due date, it is currently not possible to predict the exact day of birth with certainty.
Do note that there are various factors that could affect the actual length of pregnancy such as age, previous pregnancy experiences, weight of mother, and lifestyle. If you have any concerns regarding your health and your baby, do seek advice from your doctor and they would assist you with a loving heart.
Powered by due date by conception script
To find your due date, enter the date of the first day of your latest period, and select ‘show your due date’. Not all women’s cycles are not exactly 28 days, hence, please adjust the cycle length according to your cycle. Pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period.
1. What is a healthy pregnancy weight gain?
Gaining weight during pregnancy is inevitable and is totally normal. Your body needs to accommodate the growth of your baby. It is highly discouraged to go on a slimming programme during pregnancy as it would bring a negative impact to your baby. That being said, it does not mean you can gain as much weight as you can. There is proper weight gain for each trimester as well as your BMI before your pregnancy. Below is a table that you can refer to as a guideline.
Table 1: Total and rate of weight gain recommended during pregnancy
| Pre-pregnancy body weight status (BMI in kg/m2) | Total weight gain (ranges in kg) | Rates of weight gain in second and third trimester (kg/week) |
| Underweight (<18.5 kg/m2) | 12.5-18.0 | 0.44-0.58 |
| Normal weight (18.5-24.9 kg/m2) | 11.5-16.0 | 0.35-0.50 |
| Overweight (23.0-27.4 kg/m2) | 7.0-11.5 | 0.23-0.33 |
| Obese (≥27.5 kg/m2) | 5.0-9.0 | 0.17-0.27 |
Source: National Research Council. Weight gain during pregnancy: reexamining the
guidelines. National Academies Press: 2010 Jan 14.
*NOTE THAT THIS DOES NOT MEAN YOU HAVE TO ACHIEVE NORMAL WEIGHT DURING PREGNANCY. IT IS HIGHLY DISCOURAGED TO REDUCE YOUR WEIGHT DURING PREGNANCY.
To have a better idea about whether you are in the shape with you current weight, you can use the weight gain calculator here to know exactly the ideal weight you should have throughout your pregnancy term.
2. What Is the recommended nutrient Intake for pregnant mommies in Malaysia?
A good healthy pregnancy diet is crucial in determining the mother’s and also the baby’s health. Whatever the mother eats and drinks, is a direct source of nutrients for the baby.
Health professionals highly encourage pregnant mothers to consume a variety of healthy food for the best development. Here are some examples of foods and nutrients that can be included in the pregnancy diet plan.
Recommended daily dietary allowances for pregnant and lactating women
| Nutrient | Non-Pregnant | Pregnant* | Lactation* |
| Vitamin A (μg/d) | 700 | 770 | 1300 |
| Vitamin D (μg/d) | 5 | 15 | 15 |
| Vitamin E (mg/d) | 15 | 15 | 19 |
| Vitamin K (μg/d) | 90 | 90 | 90 |
| Folate (μg/d) | 400 | 600 | 500 |
| Niacin (mg/d) | 14 | 18 | 17 |
| Riboflavin (mg/d) | 1.1 | 1.4 | 1.6 |
| Thiamin (mg/d) | 1.1 | 1.4 | 1.4 |
| Vitamin B6 (mg/d) | 1.3 | 1.9 | 2 |
| Vitamin B12 (μg/d) | 2.4 | 2.6 | 2.8 |
| Vitamin C (mg/d) | 75 | 85 | 120 |
| Calcium (mg/d) | 1,000 | 1,000 | 1,000 |
| Iron (mg/d) | 18 | 27 | 9 |
| Phosphorus (mg/d) | 700 | 700 | 700 |
| Selenium (μg/d) | 55 | 60 | 70 |
| Zinc (mg/d) | 8 | 11 | 12 |
* Applies to women ≥ 18 years old
3. What are the best exercises for pregnant mommies?
A lot of pregnant mothers have the misconception that exercising during pregnancies are bad and could cause miscarriage or premature birth. Which is true to a certain extend, if the exercises are too intense. However, exercising during pregnancy could really help the mother in keeping the body and mind healthy, give a better birth experience, and also reduce the risk of pregnancy complications.
Here are some exercises that are safe for pregnant mothers:
Walking—Brisk walking gives a total body workout and is easy on the joints and muscles.
Swimming and water workouts—Water workouts use many of the body’s muscles. The water supports your weight so you avoid injury and muscle strain.
Stationary bicycling—Because your growing belly can affect your balance and make you more prone to falls, riding a standard bicycle during pregnancy can be risky. Cycling on a stationary bike is a better choice.
Modified yoga and modified Pilates—Yoga reduces stress, improves flexibility, and encourages stretching and focused breathing. There are prenatal yoga and Pilates classes designed for pregnant women. These classes often teach modified poses that accommodate a pregnant woman’s shifting balance. You also should avoid poses that require you to be still or lie on your back for long periods.
If you are an experienced runner, jogger, or racquet-sports player, you may be able to keep doing these activities during pregnancy, especially during your first trimester. Discuss these activities with your obstetrician or other members of your health care team.
Learn More About Pregnancy
Here are some useful guidance about how you can better prepare or do for your pregnancy: