3 ms·
I think the stat was hedged because of this, further down: > ...100% effective when used perfectly, and 92% effective for typical use.
by Leftium 1y ago
I think the stat was hedged because of this, further down:
> ...100% effective when used perfectly, and 92% effective for typical use.
- IAmBroom 1y agoThat's still highly optimistic. Sperm can apparently live for days inside a woman in some instances.