Morning-after pill and Prophylactic device

Morning-after pill noun - A large dose of estrogen taken orally within 24 to 72 hours after intercourse; prevents implantation of a fertilized ovum and so acts as a contraceptive; commonly used after rape or incest.

Prophylactic device and morning-after pill are semantically related. In some cases you can use "Prophylactic device" instead a noun phrase "Morning-after pill".

Prophylactic device noun - An agent or device intended to prevent conception.

Morning-after pill and prophylactic device are semantically related. Sometimes you can replace phrase "Morning-after pill" with "Prophylactic device", this phrases are similar.