We cannot see the full question because there are question marks instead of words.
Answer:
chain of infections
bodily substance isolation
sterilization
Explanation:
brainleist? plz
Well... It wouldn't be effective as it is a synthetic progestin meant to cause menstrual bleeding and ovulation... The thing is that because that would take four more weeks to happen again, so it would be ineffective.
The mini pill which is essentially the same thing and is Progestin is to be taken everyday and has a 90 effectivity rate.
Memory loss is not part of physical change by aging