نتایج جستجو برای: mother age
تعداد نتایج: 791001 فیلتر نتایج به سال:
Abstract For humpback whales, the mother–calf pair is only stable social unit with calves following their mother after birth and staying in close proximity. This strategy ensures maintenance of such proximity between her calf, benefiting from maternal protection care. Using multi-sensor tags, we recorded diving behavior at three different age-classes (C1, C2, C3) to assess how developed natural...
BACKGROUND Migrant populations consist of migrants with differences in generational status and length of residence. Several studies suggest that health outcomes differ by generational status and duration of residence. We examined the association of generational status and age at immigration of the mother with infant mortality in migrant populations in The Netherlands. METHODS Data from Statis...
We examined reciprocal associations between early maternal language use and children's language and cognitive development in seventy ethnically diverse, low-income families. Mother-child dyads were videotaped when children were aged 2;0 and 3;0. Video transcripts were analyzed for quantity and lexical diversity of maternal and child language. Child cognitive development was assessed at both age...
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