What are the unique challenges faced by families of higher-order multiples?

It's estimated that 1 in 250 pregnancies results in twins naturally, and there are two ways to conceive them. Identical twins. The first involves a single egg ... Nov 2, 2023 ... ... percentage of successful pregnancies at that age results in twins. ... twins is in the Asian population, and it's higher in the Black population. Feb 14, 2024 ... ... percent of these individuals suffers from psychopathology (Došen 2014). ... population twin study of the causes of association. Mol Psychiatry 7 ... Aug 15, 2016 ... ... percent. “Some ... Already, babies born through in vitro fertilization are more likely to be identical twins than the population at large. Nov 13, 2022 ... To study the risk of spontaneous preterm birth in twin pregnancies compared with singleton pregnancies. Design. Population-based registry study. ... what percentage of their cause is due to genes. To do this we find people with the disease who have a twin, and then find out whether the twin is also ill. Feb 1, 2023 ... Researchers estimate that between one to five percent of the population is affected by the eating disorder. ... twins share about half of the ... Dec 25, 1986 ... ... percent, closely paralleling the concordance rate in dizygotic twins. To the extent that the difference in concordance rates between ... Apr 1, 2004 ... If, instead, people tend to choose mates like themselves, then fraternal twins could share more than 50 percent of their genes--and hence more ... 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.