Good list. Based on internet discussions I read years ago, the "pull out" method is way more effective than 80% (Coitus Interuptus, in the link). A recent article I found, gave a big reason that it can fail, is during back to back intercourse sessions, when the man doesn't take a pee during the break (to clear out any stragglers).
Good list. Based on internet discussions I read years ago, the "pull out" method is way more effective than 80% (Coitus Interuptus, in the link). A recent article I found, gave a big reason that it can fail, is during back to back intercourse sessions, when the man doesn't take a pee during the break (to clear out any stragglers).