Text: Jing Ma
CCTV-12 legal program "Family Affair Like Sky" once reported a case that made people feel incredible, a pair of dragon and phoenix fetuses born naturally conceived were actually the same mother but different fathers, and because of this, this ridiculous mother was divorced.
And this mother lived with the illegitimate child after being divorced, but she did not have the ability to work and could not earn too much money to support the illegitimate child, so she had to go to court to sue the biological father of the child, hoping to pay child support. #春日生活打卡季#
The staff of the court also felt unbelievable when they saw such a case, saying that this kind of case is very rare, and it belongs to one in a million.
Indeed, this kind of twin with different mothers and fathers is medically called simultaneous repregnancy, and there need to be two very strict conditions.
Twins have the same mother and different father, and this situation requires two very strict conditions
The first strict condition: the mother will release two eggs during ovulation
What we see is that the twins look very similar, this kind of twin is actually the mother only released an egg during the ovulation period, and then combined with a sperm of the father, and then formed a fertilized egg, but the fertilized egg divided into two embryos in the process of division, which has little to do with heredity, and it is not very controllable whether it can become twins.
So this kind of twins actually have the same gender, personality is also very similar, blood type is also the same, and even the appearance is almost identical.
There is another kind of twin that does not look very similar, even the gender is not the same, the blood type may also be different, this kind of twin, it requires the mother to release two eggs during the ovulation period, which is called fraternal twins in medicine, only this kind of twin can be the same mother and different father.
It is impossible for twins who look very similar to each other to have the same mother as their father, because she has only released one egg and has only one sperm to bond.
The second strict condition: the mother is with two men at the same time for a short period of time (this time is about 6 hours) during the ovulation period
Because after the egg is discharged from the body, it must be combined with the sperm as soon as possible, and it takes a certain amount of time for the sperm to enter the body, if the interval is too long, then the sperm of the previous man has been combined with the egg, so the time interval between the two men must be relatively short, so that there may be two male sperm combined with the two eggs, resulting in two twins being the same father and different mother.
And the biological father of this child heard that he also had a child born out of wedlock, and he also felt incredible, because he himself was married and had three children to raise, and now he had a child who was not his own accident and needed him to pay child support, which he also found very difficult.
But the judge of the court had no choice but to force the biological father of the child to pay the mother child support in order to raise the child.
Such an oolong incident actually tells us that as a woman, we really have to clean ourselves in marriage, otherwise we will bring endless harm to our children, and even endless insults.
This kind of twin is actually very rare, and in addition to this rare twin, there is also a very rare twin, that is, conjoined babies.
This kind of conjoined baby also belongs to the mother in the ovulation period to release an egg, but only with a sperm union, but the embryo does not begin to divide 13 days after fertilization, because at this time the original placenta has been formed, the body can not be completely divided into two, the child forms different forms of conjoined babies, such as sharing a chest cavity or sharing a head.
In addition to conjoined babies, parasitic fetuses, a special form of conjoined twins, in which poorly developed cell clumps are encapsulated in a normally developing embryo.
For example, there was a little baby in Shenzhen before, and his belly was swollen when he was born, and later he was found to have one of his brothers in the operation, that is, the poorly developed child was devoured by this well-developed child.
Topic: Have you seen any special twins?
(The pictures are all from the Internet, and the infringement will be deleted immediately)