If the menstrual cycle is of 35 days then what is risk period (cycle start on `1^("st")` day) :-

Options

A. `9^(th)` to `17^(th)` days
B. `11^(th)` to `18^(th)`
C. `16^(th)` to `24^(th)` days
D. `18^(th)` to `35^(th)` days

Answer

C