In natural family planning methods, the estimated first year failure rate in typical use is about

A) 50%.
B) 40%.
C) 35%.
D) 20%.

D

Psychology

You might also like to view...

Impulsiveness and perseveration are similar in that they both represent

an underdeveloped prefrontal cortex. emotional control issues. an underdeveloped temporal cortex. bad parenting.

Psychology

Which of these is the most accurate definition of the discipline of psychology?

a) the scientific study of behavior b) the scientific study of mental processes c) the scientific study of behavior and mental processes d) the scientific study of human behavior and mental processes

Psychology