How many placentas are there for twins?

Twins are formed by two eggs and two sperms combining to form two fertilized eggs. After the pregnancy is completed, a pair of lovely twins will appear. However, many parents are very concerned about the number of placentas in twins. Some twins share one placenta. Fraternal twins have two placentas, so how many placentas there are? This still depends on the type of twins. Because each group of twins has a different type, their developmental structures are also different.

How many placentas do fraternal twins have?

During the development process of fraternal twins, they have independent fetal membranes, placentas and foetuses, so fraternal twins have two placentas. When conception occurs in the mother's uterus, two eggs combine with two sperms respectively, and then develop into two independent individuals. When they grow up, they are quite different and can be of the same sex or opposite sex.

The chances of having fraternal twins

The gender of fraternal twins is not fixed. Some are opposite-sex twins, while others are same-sex twins. Because fraternal twins result from multiple ovulation, their numbers have been higher in recent years, especially with the increased use of fertility drugs, which facilitate multiple ovulation. Approximately 4 in every 1,000 births are identical twins, but fraternal twins occur at different rates in different ethnic groups and at different maternal ages.

Generally speaking, younger women (under 20) are less likely to give birth to fraternal twins (about 3 per 1,000 births), while women aged 35 to 40 have fraternal twins at a rate of 14 per 1,000 births. Asians rarely have fraternal twins, while blacks have the most.

Many families hope to have a pair of cute twin babies, so they always use a lot of folk remedies to induce the birth of twins, but this method is not scientific. If you want twins, the most practical way is to learn something about twins, then wait quietly for the birth of the fetus and prepare to welcome the newborn.