"I ended up being transferred to a specialised children's hospital in nearby Little Rock, where even though the team of doctors had never delivered superfetation
babies, they had at least studied the rarity of it in medical journals."
At each census, [sim]10% of the total number of females in each tank were sampled to measure the proportion gravid, the number of broods carried simultaneously (a measure of superfetation), the number and mass of embryos in each developmental stage, and the overall proportion of biomass devoted to reproduction.
formosa by the combined effects of the plasticity of female size at maturity, matrotrophy, and superfetation in response to density.
milleri are similar to those of other members of the tribe Gambusiini (e.g., no superfetation
; but see Pires et al.
However, to confirm a case of superfetation, doctors need to conduct chromosomal and metabolic tests on the babies after they are born.
Seemingly, superfetation is so rare that Boyle has heard of only 10 reported cases.
occurs when eggs from two different menstrual cycles are released and fertilised separately.
First, they are excellent colonizers; a single gravid female can found a new population due to superfetation
It was proved thereafter that the second child was Allen's biological son - a result of something called "superfetation
." However, it is not clear in the reports how that could happen.
For Ame was conceived three weeks after Lia due to a rare event called superfetation
. Mum Amelia Spence went on producing eggs despite having already conceived Lia.
Doctors suspect she has a rare condition called superfetation
, which means conceiving when already pregnant.
It was called superfetation
- a condition more common in animals but almostunheard-of in humans.