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Excessive & Insufficient Weight Gain During Pregnancy: What Does It Indicate?

July 11 / 2025

gestational weight

 

 

     One of the many important things that pregnant mothers should know is “body weight.” Some mothers gain excessive weight, while others gain too little. Both excessive and insufficient weight gain can lead to complications during pregnancy.

 

gestational weight

 

 

Recommended Weight Gain

  • First Trimester: Weight should increase by about 1 kilogram. (In the first three months, weight might not increase or might increase by about 1 kilogram per month).
  • Second Trimester: Weight should increase by about 4-5 kilograms (Weight should not increase more than 2 kilograms per month).
  • Third Trimester: Weight should increase by about 5-6 kilograms (Weight should not increase more than 2 kilograms per month).

 


**Generally, by the time of delivery, a mother’s weight should have increased by about 14 kilograms.**

 

gestational weight

 

 

The Effects of Excessive Gestational Weight 

     Pregnant mothers with excessive weight gain often result from overeating, particularly consuming too much starch and sugar, and not exercising. This not only leads to excessive weight gain but also increases the risk of complications such as diabetes, hypertension, and preeclampsia. Additionally, the fetus may receive excessive nutrients, causing the baby to be larger, which can make natural delivery difficult and may necessitate a cesarean section.

 

gestational weight

 

 

Excessive Gestational Weight 

     Excessive gestational weight during pregnancy can also affect the child’s future health, increasing the risk of obesity and chronic diseases such as diabetes, heart disease, and cardiovascular issues.

 

 

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Insufficient Weight Gain

     Pregnant mothers with insufficient weight gain, especially those who were already slim and small before pregnancy, need more nutrients than usual. The fetus needs to draw nutrients from the mother to develop organs and grow at each stage of pregnancy. If the mother consumes a small amount of food, the limited nutrients will be insufficient, resulting in the baby being underweight at birth.

 

Addition:

     Neither excessive nor insufficient weight gain is beneficial for the mother and the fetus. Therefore, besides eating a balanced diet, overweight pregnant mothers should focus on consuming energy-rich foods, avoiding sugar and fat, and exercising regularly. On the other hand, underweight mothers should increase the quantity and frequency of their meals to ensure good health for both the mother and the baby.