WebJun 24, 2024 · The birth seasonality among couples with normal fecundity are what we would expect if couples actively plan their births according to the cut-off date for Swedish pupils' school entry. We argue that our findings support the notion that scheduled childbirth is a reality in contemporary sociality. WebNov 7, 1997 · This seasonal birth excess is also found in schizoaffective disorder (December-March), major depression (March-May), and autism (March) but not in other psychiatric conditions with the possible exceptions of eating disorders and antisocial personality disorder. The seasonal birth pattern also may shift over time.
Birth seasonality in schizophrenia: Effects of gender and …
WebAug 19, 2024 · But in which month are the most babies born, and why? In the United States, the month with the largest number of births is typically … WebOct 1, 2013 · We investigated the seasonal timing of births, and effects of birth month on short- and long-term mortality of Asian elephants, using a unique demographic data set of 2350 semicaptive ... boiler superheater
Seasons Sway Human Birth Rates - The New York Times
WebDec 19, 2024 · Here in the U.S., states in the North have a birth peak in early summer (June-July), while states in the South experience a birth peak a few months later … Research shows that the seasonality of births correlates with changes in local temperature and day length. And regions with extreme temperatures typically have two peaks in birthsevery year. For example, data from the early 1900s showed two pronounced birth peaks per year in West Greenland and … See more The first studies demonstrating human birth seasonality date back to the early 1800s. In some countries, local customs can explain birth … See more Forest fires require fuel to burn. After a big fire, kindling must be replenished before another fire can spread. Disease epidemics are no different. Childhood infectious diseases … See more There is one thing all researchers in this field agree on: People are starting to lose birth seasonalitythroughout the Northern Hemisphere. (Due to a lack of data, it is currently unknown … See more WebNov 19, 2024 · The mechanisms of human birth seasonality have been debated for over 150 years. In particular, the question of whether sexual activity or fertility variations drive birth seasonality has remained open and difficult to test without large-scale data on sexual activity. Analyzing data from half-a-million users worldwide collected from the female … glow arias