What are the psychological implications of being part of a multiple birth?

In theory, this means two people could carry “gay genes,” but both of them wouldn't necessarily be gay depending on certain environmental factors. What might ... According to the National Center for Health Statistics, the twin birth rate has risen 70 percent since 1980 and is currently 3.2 per 1,000 live births. The ... Nov 13, 2022 ... To study the risk of spontaneous preterm birth in twin pregnancies compared with singleton pregnancies. Design. Population-based registry study. People of other races exhibited lower educational attainment than their white counterparts, with a much higher percentage of people with less than a high ... A larger proportion of the twins. Discussion. This is the first population-based twin-study estimating the heritability of BPD by using an updated statistical ... Mar 28, 2011 ... ... population about one percent have schizophrenia. "We started with the belief that monozygotic twins are genetically identical, so if one ... Apr 24, 2023 ... No, the likelihood of having twins varies across different regions and populations. According to the World Health Organization (WHO), the global ... Mar 15, 2022 ... Study Population. This prospective, single-center, classical twin study was conducted under the name of BUDAPEST-GLOBAL (Burden of ... Mar 12, 2021 ... The twinning rate of 12.0 for the world as a whole means that one of every 42 children born on earth is a twin. Table 1 also shows that Asia and ... Mar 18, 2019 ... Finally, female twins with a male co-twin were 2.6 percentage points ... Corresponding proportions in the total population of twin ...