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Women are classified as underweight if they have a pre-pregnant BMI of 18.5 or below. [3] Low pre-pregnancy BMI increases the risk of low birth weight infants, but the risk can be balanced by an appropriate gestational weight gain from 12.5 to 18.0 kilograms in total, or about 0.5 kilogram each week in the second and third trimesters. [3]
A meta-analysis estimated that Cesarean delivery rates increased with odds ratios of 1.5 among overweight, 2 among obese, and 3 among severely obese women, compared with normal weight pregnant women. [11] In addition, morbidly obese women who have not had children before are at increased risk of all–cause preterm deliveries.
Women who are underweight (BMI of less than 18.5), should gain between 12.7 and 18 kg (28–40 lb), while those who are overweight (BMI of 25–29.9) are advised to gain between 6.8 and 11.3 kg (15–25 lb) and those who are obese (BMI ≥ 30) should gain between 5–9 kg (11–20 lb). [104]
This article features a BMI chart for women 18 and older. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. There are 2 pending revisions awaiting review. Relative weight based on mass and height Medical diagnostic method Body mass index (BMI) Chart showing body mass index (BMI) for a range of heights and weights in both metric and imperial. Colours indicate BMI categories defined by the World ...
The medical community uses BMI values to diagnose conditions like obesity. The standard weight categories include: Underweight: BMI of 18.5 or under. Normal weight: BMI under 25. Overweight: BMI ...
In general, however, a BMI between 18 and 25 is considered normal, between 25 and 30 is considered overweight and above 30 is considered obese. If you find yourself within the overweight or obese ...
During pregnancy, a woman's mass increases by about 12 kg (26 lb). [39] The European Food Safety Authority recommends an increase of 300 mL per day compared to the normal intake for non-pregnant women, taking the total adequate water intake (from food and fluids) to 2,300 mL, or approximately 1,850 mL/ day from fluids alone. [40]