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banussss banussss
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6 years ago
Which contraceptive method has a failure rate of less than 25?
 
  a. Standard days c. Postovulation
  b. Periodic abstinence d. Coitus interruptus
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adbuchyadbuchy
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6 years ago
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banussss Author
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6 years ago
Thanks for your help!!
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Helped a lot
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2 hours ago
Brilliant
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