Superfetation

Known as: Superfetations

The FERTILIZATION of an OVUM that takes place when a FETUS is already present in the UTERUS. Superfetation results in an unusual PREGNANCY with…

National Institutes of Health

Papers overview

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2015

Superfetation is an unusual reproductive strategy that consists of the presence of multiple broods at different developmental…

2011

Summary 1. The Northern Clade of the fish genus Poeciliopsis includes six closely related species, three of which lack placentas…

Highly Cited

2007

Highly Cited

2007

Abstract We have previously documented multiple, independent origins of placentas in the fish family Poeciliidae. Here we…

2004

This observation reports a case of superfetation which occurred in connection with gamete intrafallopian transfer (GIFT). The…

2003

Abstract. A 20-year-old primigravida initially diagnosed at 28 weeks to have superfetation in a case of a bicornuate uterus was…

2002

The frequency of litter overlap, the simultaneous presence of two litters at different stages of development within a single…

1995

A case of superfoetation is presented. Difference of age (3 weeks) between twins was established by ultrasound at 10 weeks, and…

1992

We report the case of a dichorionic and diamniotic pregnancy with the unique feature of an early ultrasound diagnosis of a 4‐week…

1970

This is a report of marked somatic and embryologic discrepancy between 2 fetuses in the same uterus. The hypothesis advanced to…

1947