Puerperal fever and Septicaemia

Puerperal fever noun - Serious form of septicemia contracted by a woman during childbirth or abortion (usually attributable to unsanitary conditions); formerly widespread but now uncommon.

Septicaemia and puerperal fever are semantically related. In some cases you can use "Septicaemia" instead a noun phrase "Puerperal fever".

Septicaemia noun - Invasion of the bloodstream by virulent microorganisms from a focus of infection.

Puerperal fever and septicaemia are semantically related. Sometimes you can replace phrase "Puerperal fever" with "Septicaemia", this terms are similar.