Which of the following is the best explanation for the mechanism, of the action of the intrauterine device (IUD)? A. Hyperperistalsis of the fallopian tubes accelerates oocyte transport and...

Which of the following is the best explanation for the mechanism, of the action of the intrauterine device (IUD)? A. Hyperperistalsis of the fallopian tubes accelerates oocyte transport and prevents fertilization B.A sub-acute or chronic bacterial endometritis interferes with implantation C.Premature endometrial sloughing associated with menorrhagia causes early abortion D.A sterile inflammatory response of theometrium prevents implantation E. Cervical mucus is rendered impenetrable to migrating sperm