What it is: A shot that prevents pregnancy.
How to use it: Get the shot every 3 months or 12 weeks.
Side effects
Changes in menstrual period:
Periods can become unpredictable
Can have prolonged spotting
Longer or shorter periods
After 12 months, period may stop completely.
Headaches, nausea, breast tenderness. Possible weight gain.
Pros:
You get the shot every 3 months.
Periods may stop.
You can use this method without others knowing.
Cons: Period changes.
Possible weight gain.