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387 guides · medically reviewed

Health, Clearly Explained.

Plain-language, clinician-reviewed guides and free tools across sexual health and pregnancy — from the question you're searching right now to the next step to take.

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Skip the guesswork: find the right test, estimate a cost or date, check symptoms, or give a partner a confidential heads-up — private and in your browser.

Sexual health · symptom guides

Which STDs cause your symptom?

Worried about a specific symptom? Start with the sign you're noticing: each guide covers the STIs behind it, how to test, and what to do next.

Prefer the full picture? STD symptoms in men STD symptoms in women All 88 symptom guides

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We independently review the major at-home and lab STD testing providers — accuracy, price, privacy and turnaround — so you can choose with confidence.

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