Do twins have a higher incidence of certain medical conditions?

Jan 1, 2006 ... The proportion of population risk in major depression attributable to genetic factors appears to be moderately greater in women than in men. 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 ... Apr 18, 2025 ... For a group that makes up just 0.4 percent of the world's population, identical twins have enthralled the general populace. Depictions of ... 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 ... Sep 28, 2021 ... About one in 100 births globally are of twins, but studies have suggested that 12 per cent of people could have had a twin embryo at some point ... Oct 15, 2011 ... The number is on the rise, however, as a consequence of the rising percentage of so-called mixed race people in the British population. ... proportion of provided data. Analysis. We defined the outcome in our analyses ... We based our analyses on data from a population-based twin sample of ... Sep 16, 2015 ... ... twin rate of 40.2 twins per 1,000 births. As far back as the ... people in the Nigerian villages that have been closely studied are ... Mar 14, 2017 ... That is a concerning percentage, especially when compared to the natural occurrence rate of 2% in the general population. The main reason ... Twin Falls city, Idaho. QuickFacts provides statistics for all states ... Population, percent change - April 1, 2020 (estimates base) to July 1, 2024 ...