What factor or factors make one birth control method preferable to another? Cost? Availability? Effectiveness? Ease of use? Lack of side effects? Do these factors change throughout a person's life? What would cause a person or couple to change the type of birth control they use?

Factors associated with contraceptive choice or effectiveness of use include women's personal characteristics and childbearing goals. These factors can change throughout a persons life. Something that would cause one to change the birth control they use is definitely cost and availability and all of the above.

abuse, both physical and emotional. messes with your head. makes you feel like nothing, no matter what anyone else tells you

answer normal force;