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None of this really helps at all. Pregnancy after tubal ligation is not "accidental" The failure rate of tubal ligation done after a baby is about 0.3% whether done in the US or Phillipines. Women can and do lie of course, so she may or may not have had a tubal. This failure rate is cumulative and is over 10 years. If she really had a tubal, I am not sure why you would be worrying at all. There is no need to
Very sorry somehow this was posted to the wrong question