IVF is the reason why.
IVF is the reason why.
IVF is the reason why.
Attack of the clones!!
Australian CSIRO isolated the twinning gene in sheep, perhaps it got loose into the general public /s
Blacks and browns have a much higher chance of twins than Whites. Asians have a chance lower than Whites.
It's either the browning or in-vitro.
Isn't that just an effect of populations increases? Say the twin rate is 2% of births, 2% of 7 billion is more than 2% of 5 billion.
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