Superfetation and Superjunction

Superfetation noun - Fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time.

Superjunction and superfetation are semantically related. In some cases you can replace term "Superjunction" with "Superfetation", this nouns are similar.

Superfetation and superjunction are semantically related. Sometimes you can replace term "Superfetation" with "Superjunction", this words are similar.