McDonald's rule

McDonald's rule

 [mik-don´aldz]
the length in centimeters of the abdominal contour from the upper margin of the pubic symphysis to the fundus of the uterus, divided by 3.5, gives the duration of pregnancy in lunar months; applicable only after the sixth month of pregnancy.
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General McDonald's Rules apply, see www.mcdonalds.co.uk/policies/football-termsand-conditions.shtml SP: Telecom Express Ltd, W1B 2AG Tel 0870 487 4870