Proficiency in English

Medically eligible for her chosen form of contraception per standard PPLM clinic protocol

(For Study Arm A) Desire initiation of an estrogen/progesterone contraceptive method at time of clinic presentation and evaluation

(For Study Arm B) Desire initiation of a progesterone only contraceptive method at time of clinic presentation and evaluation

(For Control Arm) Initiating a non-hormonal contraceptive, or not initiating any contraceptive method

(For Control Arm) Stated intention of not initiating any hormonal contraception over the 3 month study period

Agreeing to study procedures

Boston Migraine and Contraception Study