How does body weight affect fertility?

 

www.cancer.org/downloads/STT/Cancer_Statistics_Combined_2007. Ppt

If you are overweight your fertility will be reduced. This is true for both men and women. It is unclear whether it is the weight that is an independent factor for women or whether other factors such as polycystic ovary syndrome (PCOS ) result in both the infertility and excess weight. At the other extreme, if you are under your ideal weight you are more likely to have anovulation problems. The Body Mass Index (BMI) is a ratio used to compare your weight with your height. The BMI is calculated as indicated in Table 9.1.

 

Table 9.1  Calculating your Body Mass Index.

 

     BMI = Weight (Kg) / Height (m)2.

 

Your BMI should be between 20 and 24. If your BMI is less than 20 you are underweight. You should lose weight if your BMI is between 25 and 29. You are considered to be medically obese if your BMI is 30 or more and you would be regarded as very obese if your BMI is greater than 40.

Table 9.1

Weight Kg and

(st / lb)

 

Height in metres and (ft ins)

Height (m2)

BMI

49

(7st 110lb)

1.63

(5ft 4ins)

1.632

18 (49 / 1.632)

61

(9st 9lb)

1.58

(5ft 2ins)

1.582

24 (61 / 1.582)

90

(14st 2lb)

1.68

(5ft 6ins)

1.682

32 (90 / 1.682)

106

(16st 10lb)

1.55

(5ft 1ins)

1.552

44 (106 / 1.552)

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    Women's Health





     


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