Sedentary lifestyle
Insufficient physical activity
Evidence level : Probable LifestyleMechanism : Environmental / physical burden
🟡 Several human studies point the same way, with a plausible biological mechanism, but the evidence is not yet conclusive.
- Where it's found
- Sitting for more than 8 hours a day, motorized commutes, little weekly exercise.
- Suspected mechanism
- Promotes insulin resistance and low-grade inflammation; compounded in men by local scrotal heat.
- Suggested alternative
- Stand up for 3 minutes every hour; add a daily 20-minute walk.
- Source
- WHO, physical activity guidelines; ESHRE (European Society of Human Reproduction and Embryology).
Map your everyday exposures in about ten minutes.
Take the questionnaireRelated factors
Including a factor does not mean it causes infertility: it is simply worth monitoring, depending on its level of evidence.
Content last updated: September 14, 2026