How to make twins is definitely not as easy as getting one child at a time. Special ways need to be done to increase the likelihood of a husband and wife getting twins. Twins can occur due to the presence of two different zygotes or two eggs and fertilized by two separate sperm cells. The resulting baby can be of a different sex or with the same sex as non identical twins and is more common. In addition, twins can also occur because of a zygote which then splits into two embryos. At this rate, a child born is an identical twin, of course with the same sex. How to Make Twins How to make twins is still under research because there is still no way that can guarantee that children born are twins. At least there are several ways you can do to increase the chances of getting twins, one of them with IVF method. The following are some ways you can improve your chances of getting twins. Test-tube baby In vitro fertilization is the process of combining eggs and sperm in a laboratory