The Shot

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.