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During pregnancy, a woman’s body changes — this is a natural process. Many worry about an increased appetite and, as a result, gaining excess weight. It should be noted that all pregnant women gain weight; however, it is important to stay within reasonable limits. Moreover, controlling weight gain is now very easy — just open a special online calculator, make the calculation, and see the norm.

Find out the normal weight during pregnancy

Weight gain during pregnancy depends on many factors, including genetics. To find out your norm, you first need to determine your initial BMI (body mass index). It is calculated using a special formula: BMI = weight (kg) / (height * height) (m). A BMI below 18.5 is considered underweight, normal — 18.5–25, overweight — 25–30, obesity — over 30.

During the entire pregnancy, a woman may gain the following weight:

• with a low BMI — 12–18 kg;
• with a normal body mass index — 11–16 kg;
• with excess body weight — 7–11 kg;
• with obesity — 5–9 kg.

Weight during pregnancy is not only fat tissue, but also:

• the baby itself;
• amniotic fluid and placenta;
• enlarged mammary glands;
• increased blood and fluid volume in the mother’s body;
• enlarged uterus.

Weight gain can also be affected by the age of the expectant mother: before 25, metabolism is quite fast, so there is a chance of gaining fewer kilograms, while after 35 — more, since metabolism slows down.

The online calculator will help you monitor weight gain during single and multiple pregnancies

The online weight gain calculator for pregnant women is a convenient tool that allows the expectant mother to track changes in body weight and understand whether it corresponds to the norm. This service takes into account the woman’s initial weight, pregnancy term, and the number of fetuses, so it can be used for both single and multiple pregnancies.

Using the calculator is easy:

1. Enter your data. Usually, the calculator asks you to specify your height, pre-pregnancy weight in kilograms, and the term in weeks.
2. Select the type of pregnancy (single or multiple). This affects the norm of weight gain: for twins or triplets, the numbers will be higher.
3. Click the «Calculate» button. The service will show how many kilograms you should have gained by the current week and what gain is considered optimal for you.
4. Compare the result. The calculator will show if your weight is above or below the norm.

It is better to use the calculator on a regular basis.

Advantages of the online weight gain calculator

Why should you use the service? The advantages of the calculator are obvious:

• Individual approach. The calculation is based on your body mass index before pregnancy, which helps to more accurately determine the permissible weight gain.
• Various options provided. With a single pregnancy, weight gain is usually lower than with twins or triplets, so the calculator automatically performs the calculation for your case.
• Visual clarity. In the table, you can see not only the total weight gain but also the norms and weekly dynamics, allowing you to more accurately monitor your weight and plan your diet.
• Additional motivation. Thanks to the online service, you can promptly notice excessive or insufficient weight gain.

If you notice any deviations from the norm, do not rush to panic — be sure to discuss your observations with the doctor at the clinic who provides pregnancy management.