How does Nexplanon prevent pregnancy?
Nexplanon, a small rod implanted under the skin of the upper arm, releases etonogestrel to suppress ovulation, thicken cervical mucus, and thin the uterine lining. It prevents pregnancy in over 99% of users, with zero reported failures in clinical studies among women using it correctly for up to three years.[1][2]
How long does Nexplanon last and when should you replace it?
The implant provides continuous protection for three years. Effectiveness may decline after that, so removal and replacement are recommended by then. Some providers replace it earlier if weight exceeds certain thresholds, as higher body weight can reduce hormone levels.[1][3]
What makes Nexplanon low-maintenance compared to other birth control?
Once inserted in a quick office procedure, it requires no daily action—no pills to remember, patches to change, or rings to insert. This leads to higher satisfaction rates; studies show 84-86% of users continue after three years versus lower rates for pills.[2][4]
Does Nexplanon help with heavy or painful periods?
Many users experience lighter or no periods—about 20% stop menstruating entirely. This reduces menstrual blood loss by up to 50-90% and eases cramps for those with heavy flows. It's a common reason women choose it over IUDs or pills that don't always lighten bleeding.[1][5]
Can Nexplanon offer benefits beyond birth control?
It lowers risks of endometrial and ovarian cancers due to progestin effects, similar to other hormonal methods. Some report clearer acne from hormone regulation, though not FDA-approved for that. It doesn't protect against STIs, so condoms are still needed.[2][6]
Who might see the biggest benefits from Nexplanon?
Ideal for those wanting long-term, reversible contraception without surgery—teens, busy adults, or post-partum women (safe from 21 days after birth). Reversible fertility returns quickly after removal, often within days.[1][3]
[1]: FDA Nexplanon Label
[2]: CDC Contraceptive Guidance
[3]: Nexplanon Official Site
[4]: NEJM Study on Implant Continuation
[5]: Cochrane Review on Progestin Implants
[6]: ACOG Long-Acting Reversible Contraception Guidelines