It is normal that a pregnant woman will gain weight. This is because the body of a pregnant woman is preparing to carry a life inside her womb. The nutrients required for the proper growth of the infant must come from its mothers body. During the pregnancy there will be formation of placenta, amniotic fluid, fat tissues etc which in turn add weight. The scale of weight gain will be different for different people as it depends on many factors like the weight at the time of conception, height, race, intake of food etc.
Healthy Weight Gain
If the body mass index which is calculated by comparing the height and weight of a pregnant woman at the time of conception is in a healthy range which is between 18.5 and 24.9 then weight gain of 25 to 35 pounds during her pregnancy is normal. If she is an under weight women having a body mass index less than 18.5 then for having a healthy baby she should gain weight between 28 to 40 pounds. If a woman is overweight at the time of conception that is having a body mass index between 25 to 29.9 then she should limit her weight gain to 15 to 25 pounds. An obese pregnant woman who has body mass index above 30 must limit her weight gain in a range of 11 to 20 pounds.
A pregnant woman having twins can gain more weight than having a single baby. A pregnant woman having health body mass index can gain 37 to 54 pounds in case they are carrying twins while an over weight woman can have a weight of 31 to 50 pounds. An obese woman can gain a weight between 25 to 42 pounds.
Why a Pregnant Woman Gains Weight
By the end of pregnancy a woman should develop muscle layers with in her womb and it accounts to 0.9 kg. The placenta that nourishes the baby carries 0.6 kg. Enlarging breast result in weight gain of 0.4 to 0.5 kg. The blood volume of a pregnant woman increases and accounts to 1.2 kg. The amniotic fluid and extra fluid in a woman’ s body comes around 2.6 kg. The birth weight of your baby comes around 3.3 kg. Above all some extra fat will be developed to provide you energy while breast feeding and it comes around 2.5 kg. This weight gain may vary from person to person.
Try to keep your pregnancy weight gain in a healthy range to nourish your baby properly.