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News
Good news for people with type 1 diabetes: sex appears to be safe. A small study tracking 12 adults with continuous glucose monitors found no significant increase in hypoglycemia risk in the two hours following sexual activity. Researchers say the findings give clinicians real data to reassure patients — a conversation that's long been overdue.
For people managing type 1 diabetes, sexual activity has rarely come up in clinical conversations — partly because the data just wasn't there. A new study aims to change that. Researchers from the Medical University of Warsaw tracked 12 adults with type 1 diabetes over three months, asking them to log sexual activity events in their continuous glucose monitor (CGM) app. The result? No meaningful increase in hypoglycemia risk in the two hours after sex compared to the two hours before.
What surprised the researchers most was the unpredictability of glucose responses. Rather than a consistent drop — as might be expected from physical exertion — glucose fell after 58% of events and rose after 42%. Nearly every participant experienced both directions at different times. One notable exception: nighttime sexual activity was associated with an 11% decline in glucose two hours after the event.
By the Numbers:
Why it matters: Clinicians now have objective, CGM-backed data to counsel patients with type 1 diabetes about sexual activity — replacing guesswork with evidence. Though the sample size is small and more research is needed, the core message is clear: sex is safe.
