In the last few years, the rate of delivery of twins has increased. Due to the main cause of twins, doctors think "Multiple Opulation".
That means twins are born from the side effect of the drug that is used for infertility treatment.
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It is known to everyone that the fetus is made in the union of sperm and male sperm of the female body. Every ovary produces an egg in the female body. But sometimes two ovules may also be produced. Twin babies originate from two eggs produced at about the same time. No, this is not the only reason, twins can be born in the form of two eggs broken.
Twins can be two types of children
Differential twins:
The origin of such twins from the two common fertile eggs. Their shape is of different kind. Colors, eyes, and hair color are different. However, both blood may not be different. These two are located in different embryos and supply nutrients from individual flowers. Usually these twins are a boy and a girl is either. Twins who are twins themselves, more like their twin children.
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Identical twins:
The twin child originates from an egg. After getting normal fertility, this egg causes two embryos, divided into two equal parts. It is located in two parts of the embryo, and two embryos accept oxygen and other nutrients from a flower. However, many times more than a fetus can be increased. This kind of twin baby looks the same and both boys or girls can be both girls. Many times their body structure, face, hair or eye color are the same. Blood groups are the same character.