Deborah Harrell wrote:
In the single-check group, there was a totalSorry for sounding stupid here, but how is deliberate unprotected intercourse different to a drop-out for difficulties or dissatisfaction? Isn't both a case of them saying, ah stuff it, this is too restrictive, I'm going to go ahead and do it anyway?
of 13 unintended pregnancies at the end of the first
12 cycles of study participation, giving an unintended
pregnancy rate of 8.5% (SE 2.52%), a drop-out rate for
difficulties or dissatisfaction of 3.0% (SE 1.76%) and
a lost-to-follow-up rate of 23.4% (SE 4.35%). No
pregnancy was observed in women over 40 years of age.
Most pregnancies occurred because of deliberate
unprotected intercourse in the fertile phase ('user
failure')."
Cheers
Russell C.
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