Over Population of Twins
The birthrates of having more than one child has doubled from 1980 until now. In 1980 out of every 1000 births, 19 were sets of twins. In 2009 every 34 births were sets of twins. Not only in twins but also in triplets and so on? It seems as if more and more people are having twins or multiple births every year. Women have twins or multiple child births when multiple eggs are fertilized. However, if there is a set of identical twins, then the zygote or fertilized egg will split into two parts and that is how twins become identical. Is there many sets of twins in your family and you may think that the gene is passed on? Only in sets of fraternal twins, can genes be passed on. So if your mother had fraternal twins you …show more content…
Because I am a twin I have always found it interesting why and how I became a twin. But now, there are so many twins that I know that have been born after me, that it just seemed crazy to think that more than just the genetics would be involved in the birth rate increasing. There are two types of twins. The first is if there is a set of identical twins, then the zygote or fertilized egg will split into two parts and that is how twins become identical. The second type is fraternal where two completely different eggs get fertilized and both grow at the same time in two different placentas. There are many different reasons that women are starting to have more sets of twins instead of birthing single babies. Being a bigger woman, already being a twin, being older when you get pregnant, hormones, In Vitro Fertilization and Nutrition all have rolls in determining whether you will have …show more content…
Not only by the size of the waist but by height as well. In the 1980s, America’s obesity rate was 15%. Unlike today where it is around 42%. As women continue to grow bigger and bigger they will be more likely to have twins. “As the mothers BMI (body mass index) increased, the more likely they were to have twins” Miranda Hitti a senior medical writer for WebMD. This only is a correlation in fraternal twins. Identical twins have no like to have an increase based on the mother’s size. Also, if you are located in the top 25th percentile in height for women, that increases your chances of having twins as well.
Another way to have an increased chance of giving birth to twins is if you are already a twin. If you are already a twin, you are more likely to have twins because your body will drop more eggs each time you menstruate. According to twinstwice.com, “If you are a twin, the chances of having a set of twins is 1 in 17. However if you are not then it decreases to 1 in every 285.” Because I am a twin, if and when I get pregnant, I will be prepared for twins because the odds are in my favor. Not only does being a twin increase your chances of giving birth to twins, but so does being
The birthrates of having more than one child has doubled from 1980 until now. In 1980 out of every 1000 births, 19 were sets of twins. In 2009 every 34 births were sets of twins. Not only in twins but also in triplets and so on? It seems as if more and more people are having twins or multiple births every year. Women have twins or multiple child births when multiple eggs are fertilized. However, if there is a set of identical twins, then the zygote or fertilized egg will split into two parts and that is how twins become identical. Is there many sets of twins in your family and you may think that the gene is passed on? Only in sets of fraternal twins, can genes be passed on. So if your mother had fraternal twins you …show more content…
Because I am a twin I have always found it interesting why and how I became a twin. But now, there are so many twins that I know that have been born after me, that it just seemed crazy to think that more than just the genetics would be involved in the birth rate increasing. There are two types of twins. The first is if there is a set of identical twins, then the zygote or fertilized egg will split into two parts and that is how twins become identical. The second type is fraternal where two completely different eggs get fertilized and both grow at the same time in two different placentas. There are many different reasons that women are starting to have more sets of twins instead of birthing single babies. Being a bigger woman, already being a twin, being older when you get pregnant, hormones, In Vitro Fertilization and Nutrition all have rolls in determining whether you will have …show more content…
Not only by the size of the waist but by height as well. In the 1980s, America’s obesity rate was 15%. Unlike today where it is around 42%. As women continue to grow bigger and bigger they will be more likely to have twins. “As the mothers BMI (body mass index) increased, the more likely they were to have twins” Miranda Hitti a senior medical writer for WebMD. This only is a correlation in fraternal twins. Identical twins have no like to have an increase based on the mother’s size. Also, if you are located in the top 25th percentile in height for women, that increases your chances of having twins as well.
Another way to have an increased chance of giving birth to twins is if you are already a twin. If you are already a twin, you are more likely to have twins because your body will drop more eggs each time you menstruate. According to twinstwice.com, “If you are a twin, the chances of having a set of twins is 1 in 17. However if you are not then it decreases to 1 in every 285.” Because I am a twin, if and when I get pregnant, I will be prepared for twins because the odds are in my favor. Not only does being a twin increase your chances of giving birth to twins, but so does being