What is another word for superfetation?
Pronunciation: [sˌuːpəfiːtˈe͡ɪʃən] (IPA) 
Superfetation is a term used to describe a rare phenomenon in which a woman conceives a second fetus while already pregnant. There are a few synonyms for superfetation that may be used in various contexts. These include hyperovulation, which refers to the release of multiple eggs during a single cycle, and double fertilization, which describes when two different sperm fertilize two separate eggs within the same cycle. Another term that has been used to describe superfetation is heteropaternal superfecundation, which occurs when a woman carries two fetuses that have different biological fathers. While these terms may be used interchangeably with superfetation, each describes a unique aspect of the process.
