The birth of twins is rather unusual occurrence. Chances to become pregnant twins in usual conditions are small. However there are ways to increase these chances, for example, by means of special medicines or a special food allowance.
Instruction
1. There is a number of natural causes which can give by the birth twins. For example, existence in a family tree of spouses of twins can increase your chances to give rise to twins. These chances become higher if twins were not monoovular.
2. The age can become other factor capable affect the birth of twins. I show researches that the woman (more than 35 years) is more senior, the higher at her chances to give rise to twins. It is connected with the fact that before approach of a menopause, the ovary of the woman begins to release more than one ovum a month. Besides, during this period the surge in production of estrogen is observed.
3. Some researches show that intake of folic acid can sharply increase chances (by 40% and more) to become pregnant twins. However this way is not reliable. There are researches which results do not confirm advantage of folic acid. Anyway intake of this substance helps to avoid defects of a nervous tube. Accept it even if you do not plan twins.
4. Increase consumption of dairy products and sweet potatoes (yam). It is considered that these products can increase chances to become pregnant twins, however scientific proofs to it is not present. The diet of your partner can increase your chances also. Ask it to eat more oysters. This product is very rich with zinc which strengthens production of sperm that in turn does more probable fertilization of two and more ova. Good sources of zinc are also green sheet vegetables, bread, grain and whole grain.
5. If you take infertility medicine or use ECO, your chances of the birth of twins also increase. Similar impacts on an organism stimulate ovaries on maintenance of two and more follicles of an ovary monthly. Several ova are as a result formed, as increase chance of the birth of twins.
6. The woman's weight can also affect the birth of twins. Numerous researches show that BMI (body mass index) higher than 30, increases chances of twins. However it is necessary to remember that for birth BMI from 20 to 25 is considered optimum. Higher rates are unsafe.
7. It is possible to increase chance to become pregnant twins and purely mathematically. If you have a big family, and you plan to give birth further, your chances increase. Besides, the fact that earlier you already gave birth in itself increases your chances of twins.