As per Haase rule, age of the fetus in last 5 months is-
Ans. is 'c' i.e., Length in cm/5* Rule of Haase : During the first five months of pregnancy the square root of the length gives the approx, age of the fetus in months. During last five months the length in centimeters is divided by five gives the age in months.
Square root of the length
Length in mm/5
Length in cm/5
Length in mm/7
Miscellaneous (Gynae)