What are the Side Effects of the Depo Shot?
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Finding the right birth control method can feel overwhelming, especially if you're sorting through a lot of options and opinions. If you're considering the Depo shot or already using it, you might be wondering how it could affect your body. Understanding what to expect can help you feel more confident and informed as you think through your next steps.
What is the Depo Shot?
The Depo shot, also called Depo-Provera, is a birth control injection that contains a hormone called progestin. It’s given once every three months, usually in the arm or hip, and is designed to help prevent pregnancy during that time.
Some women choose the Depo shot because it doesn’t require daily pills or frequent appointments. It’s a long-acting method that can offer privacy and convenience, especially for those who prefer not to use other forms of contraception.
How Does the Depo Shot Work?
The Depo shot works mainly by stopping ovulation. Without ovulation, there’s no egg released for sperm to fertilize. It also thickens cervical mucus, which makes it harder for sperm to reach an egg. At the same time, it thins the lining of the uterus, making it less likely for a fertilized egg to attach.
Once the shot is given, it starts working quickly. If taken during the first five days of a menstrual cycle, it typically begins to prevent pregnancy within 24 hours. Each dose stays active in the body for about 12 to 13 weeks.
Is the Depo Shot Safe?
Many women choose injectable birth control because it’s simple and long-lasting. The Depo shot is FDA-approved and has been widely used as a reliable option for pregnancy prevention.
Still, it’s not the right fit for everyone. Some women experience side effects, and there are certain health conditions where this method may not be recommended. These include unexplained vaginal bleeding or a history of bone loss. Studies have also shown that using the shot for more than two years may lead to a drop in bone density, which can increase the risk of fractures over time.
Before deciding, it’s helpful to talk with a provider who can review your personal health history and explain what to watch for.
What Are the Side Effects of the Depo Shot?
Like any form of hormonal birth control, the Depo shot can cause side effects. Some are short-term and may go away after a few weeks or months. Others can last as long as you're using the method.
Common side effects include:
- Irregular bleeding or spotting
- Lighter or missed periods
- Headaches
- Weight gain
- Mood changes
- Breast tenderness
- Lower sex drive
Some women may also notice a delay in the return of their regular cycle after stopping the shot. It can take several months, and in some cases up to a year, for fertility to return.
While not everyone will experience problems, it's important to be aware of what could happen so you’re not caught off guard. If anything feels off or uncomfortable, checking in with a medical provider is always a good idea.
Thinking About Your Birth Control Options?
Choosing birth control is personal, and it’s okay to have questions. If you're trying to figure out what’s right for your body or feel unsure about the side effects of the Depo shot, you’re not alone.
Willow Womens Center offers a
calm, pressure-free place to talk through your
options. If you're facing an
unplanned pregnancy or need STI testing, our team is here to
support you with care that respects your choices.
Schedule a no-cost consultation today. We’re here to help you get clarity, not judgment.
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