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BMI Calculator
BMI is a measurement used to classify a person’s weight. It is calculated by dividing the person’s weight in kilogram by his/her height in meters squared. Please note that BMI does not apply to children, elderly, pregnant women and muscular people (athletic). Women, who are underweight, may suffer from absent periods (amenorrhoea) and are at an increased risk during pregnancy if conception does occur, including: an increased risk of miscarriage, preterm delivery and small for date baby. An underweight woman may benefit from consulting a dietician and receiving psychological support. Women, who are obese, have up to half the chance of conceiving, and if they need IVF treatment they will require higher doses of the drugs and require longer duration to achieve follicular development. Furthermore, the miscarriage rates appear to be higher with increasing maternal weight. Also there is an increased risk of developing gestational diabetes, pre-eclampsia and high blood pressure as well as problems during delivery such as an increased risk of caesarean section, developing blood clot, heart problems and wound infection. They are also more likely to require a general anaesthetic for a caesarean section due to problems sitting an epidural/spinal anaesthetic. In the latest “Saving Mother’s Lives” report (CEMACH, UK. 2007) 28% of women who died had a BMI greater than 30. There is evidence that infants of women who are obese are at increased risk of being overweight, have an increased risk of birth defects and stillbirth etc. Obesity also has an adverse effect on male infertility and long-term health. Health professionals should appreciate the difficulties faced by many overweight women and men who are struggling with both infertility and are attempting to loose weight. Weight reduction is best achieved by enrolling on a weight loss programme encompassing dietary advice, exercise and psychological support.
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