How do the social dynamics within a group of triplets or more develop?

Dec 11, 2015 ... The share of multiples born in the U.S. is at an all-time high. In 2014, 3.5% of all babies born were twins, triplets or higher-order ... Dec 13, 2024 ... In 2022, of this small proportion, almost all multiple births (98%) were twins, while the remaining 2% were other multiples (that is, triplets, ... Apr 23, 2025 ... As of 2023, the birth rate for twins in the U.S. was 30.7 per 1,000 live births. ... This percentage would increase if multiple birth rate per ... Conjoined twins occur once in every 50,000 to 60,000 births. Approximately 70 percent of conjoined twins are female, and most are stillborn. Approximately 75 ... The increased risk of autism in twins compared to the general population suggests a substantial genetic influence. ... What Percentage of Autism is High ... Twin Falls Population. The latest population statistics shows the City of ... With a more than 8 percent increase from 2010 to 2015. We are growing ... Mar 4, 2020 ... The twin birth rate rose 76 percent from 1980 through 2009, from 18.9 to 33.3. As of 2003, there are on average around 16 sets of twins born per ... People of other races exhibited lower educational attainment than their white counterparts, with a much higher percentage of people with less than a high ... Feb 2, 2018 ... 5 discoveries we can thank twins for ... In some regions of the world, red heads are more common, making up 10-30 per cent of the population in ... Mar 15, 2023 ... Fraternal twins happen because some people release two eggs (or more) at a time. That's called superovulation. Advertisement. If two sperm ...