Wait and be patience for the medication, it could take some more time in certain cases
The answer is: A. collecting data
During this process , researchers would use their observational skills and record every notable occurrence that happen to the variables.
The focus on this process is simply to add all relevant data without making any analyzation. That process come later on after the researchers started to change the variables in order to see whether it would create a correlation.
The term being describe above is the hormonal method in which it prevents the egg from reaching the ovaries to prevent the women from being pregnant during intercourse. There are different types of hormonal methods being used, and it does not only prevent eggs in reaching ovaries but it prevents also sperm in reaching the uterus.
I believe that the other person who answers u is right