At 7 months post-injection, Depo-Provera is unlikely to still be suppressing testosterone levels
The pharmacokinetics of Depo-Provera (DMPA) show that medroxyprogesterone acetate becomes undetectable in serum between 120-200 days (approximately 4-7 months) after injection 1. By 7 months post-injection, the drug should be cleared from your system and any testosterone suppression should have resolved.
Understanding the Timeline
Drug Clearance
- DMPA has an apparent half-life of approximately 50 days following intramuscular injection 1
- Serum concentrations become undetectable (<100 pg/mL) between 120-200 days (4-7 months) after injection 1
- At 7 months (approximately 210 days), you are at or beyond the outer limit of detectable drug levels
Testosterone Recovery in Males
Research in males receiving DMPA demonstrates that:
- Testosterone levels fall sharply after DMPA injection and remain "grossly subnormal" for 2 weeks after each injection 2
- Testosterone levels show a "tendency to return toward pretreatment values within three to six weeks after the last dose" 3
- In studies combining DMPA with testosterone, endogenous testosterone suppression resolves as the drug clears 2, 4
What to Expect
Your testosterone levels should have returned to baseline by now. The evidence consistently shows testosterone recovery begins within 3-6 weeks after the last effective dose of DMPA, and you are well beyond that timeframe.
If You Still Have Symptoms
If you're experiencing symptoms of low testosterone at 7 months post-injection, consider:
- Check actual testosterone levels: Get morning serum total testosterone measured to confirm whether levels are truly low
- Look for other causes: Low testosterone at this point is unlikely to be from DMPA and warrants evaluation for other etiologies (primary hypogonadism, pituitary disorders, chronic illness, medications, etc.)
- Recovery may be complete but asymptomatic: Some symptoms attributed to "low testosterone" may have other causes
Important Caveat
The evidence base for DMPA effects on testosterone comes primarily from male contraception studies where DMPA was used intentionally to suppress testosterone 2, 3, 5, 4. While these studies confirm reversibility, individual variation exists. However, at 7 months post-injection, the drug itself should no longer be the cause of testosterone suppression.