This story tells me that not enough groundwork is done to establish the compatibility of a person with any substance provided for whatever reasons.

It is also at least part of the reason why vaccines can be deadly. The bull-headed 'one-size-fits-all' pro-cost-cutting paradigm results in 'collateral'.

Thank you for sharing this, but keep in mind that this story should be seen as a caution for what to look out for, not a reason to consider stopping birth control methods altogether (unless one does not trust one's partner to use such on his own part). :c)