Twins are babies born from pregnancies with more than 1 fetus and from 1 mother's womb. There are 2 types of twins, namely Monozygotic (Identical) and Dizigotic (Fraternal).
Monozygotic twins (Identical) means derived from the zygote the same, it is a clone (Having identical individual genes from 1 egg, which is fertilized).
Then Dizigotic (Fraternal) twins is a baby that comes from two different egg cells, and is fertilized by 2 different spermatozoa.
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With the understanding as explained above, twins can classified into two types, namely :
1. Monozygotic Twins
Monozygotic twins occur when there has been division of the egg cell who have undergone a fertilization process between 1 and 14 days, after conception.
These babies will share the same genes, and have very different differences a little, because the embryological process is unusual. And often has type same sex.
2. Dizigotic Twins
Dizygotic twins occur when 2 different eggs undergo fertilization by 2 different spermatozoa. And this process must not occur at the moment together.
Dizygotic twins will have, on average, 50% of the same gene. That that means they have a relationship that is not much different from you brother relationship as usual.
In theory, dizygotic twins will have between 0 and 100% of the same gene. But the average often has 50% same gene. In this type of twin, sex differences can occur. Then how do you make twins ...?.
How to make twins is definitely not as easy as getting one child in one birth. Special measures need to be taken to increase the likelihood of a couple getting twins.
Twins can occur because of two different zygotes or two egg cells and are fertilized by two separate sperm cells. Besides, twins can also occur because of one zygote which then divides itself into two embryos.
How to make twins up to now is still under study, because there is still no way that can guarantee that children born are twins. At least there are several ways that can be done to increase the possibility of getting twins, one of them is the IVF method. The following are some ways you can do to increase the chances of getting twins, namely :
IVF program is the process of combining eggs and sperm in a laboratory room, not in a female genital organ. The embryo produced from the merger will then be transferred to the woman's uterus, and will grow into a baby.
By conducting IVF programs, the possibility of getting twins is at least 1 to 5. This depends on how many embryos are placed in the womb.
Consumption of fertilizers, is also believed to be able to increase the possibility of getting twins. Because, taking fertilizers can increase the possibility of removing more than one egg at the same time. That is to say, this method increases the chances of getting non identical twins.
3. Intrauterine insemination, and fertile drugs
Intrauterine insemination is done by injecting sperm into the uterus. Some women who use this method and are helped to consume fertilizers, can get twins. Although the actual process of intrauterine insemination it self, does not increase the possibility of the birth of twins.
Twin pregnancy & supporting factors
Until now, there is no way that can really guarantee 100% of people will get twins. However, there are some things that can increase the like lihood of having twins, including :
1. Age Factor
Women aged 35 years and over experience a decrease in fertility. This condition is generally characterized by increased follicle stimulating hormone (FSH). However, the increase in FSH these allows the release of more than one egg in each menstrual cycle, allowing the woman to give birth to twins.
2. History of having twins
If you ever have twins, you are more than twice as likely to have twins again in future pregnancies.
3. Factors in family history
If you have twins in your family or even twins, you might also have twins.
4. Pregnancy factor number
The more children you have born, the more likely you are to get twins.
5. Body shape factor
Women with high and large body shapes are more likely to have twins than women who have small bodies.
If you are trying to have twins, you can consider a number of ways to make twins as described above. But you need to remember, twins or not it is a gift from God. That is to say, do not overdo it or force your will to have twins, because everything has been arranged by God. Thank you, hope it's useful...