Very Rare But Not Impossible
In the following week, they had the babies undergo a DNA test and received astounding results. Apparently, the babies were not actually twins. One of them was the biological child of Allen and her spouse! The embryos also had different gestational ages.

Very Rare But Not Impossible
This was a medical phenomenon called superfetation, a process in which a pregnant woman continues to ovulate. That’s right – Allen conceived another baby while the implanted embryo was already inside of her! They did not expect this development, to say the least.
Unfortunate And Unexpected Developments
Everyone involved was dumbfounded upon learning this. After all, this was not part of the initial deal. In accordance with the doctor’s directions, they put off intimacy until they confirmed that the implanted embryo had taken root inside of her week.

Unfortunate and Unexpected Developments
“As per my contract, Wardell [Allen’s husband] and I did not have intercourse until we were given permission by the IVF doctor, who recommended the use of condoms,” she explained to the New York Post. Another rare occurrence happened in the form of contraceptive failure.

