Hypokalemic paralysis is a side effect of:: (A) Gossypol, (B) DMPA, (C) Testosterone enanthate, (D) Cyproterone acetate
Answer is A. Gossypol

It is a male contraceptive pill which contains-Disequilterpene aldeayde
Discovered in china from an extract of cottonseed.
Mechanism of action it inhibits spermatogenesis and decreases epididymal sperm motility.
Side effect - Hypokalemic paralysis in 1% patients

Other male hormonal contraceptives:
Testosterone enanthate injectable
Testosterone bucolate injectable