>Personal Health >Womens Health >Family Planning >FAQ >Depo-Provera

Frequently Asked Questions - Depo-Provera Injection

How long does it take for Depo-Provera to work? The Depo-Provera shot is effective about 24 hours after it is given (within the first five days of your menses); even if it is the first time you are getting the shot.

How often do I have to get the shot? You have to get the shot once every three months to remain effective.

What if I am late for my shot? If you are more than one week late you need to use a back-up method, such as condoms. Schedule a visit with your doctor as soon as possible. Continue using your back up method up to one week after getting your shot.

Can I breast feed my baby if I use Depo-Provera for birth control? Yes, progesterin only methods are preferred if a hormonal method of birth control is used during breastfeeding.

Are there any long term effects of Depo-Provera? Yes, if taken for more than two years it can cause bone loss. It is recommended to take a calcium pill while on Depo-Provera. Smoking and certain epilepsy drugs, and steroids increase the amount of bone loss. Talk to your doctor.