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Big butts aren't everything to male baboons

A study of wild baboons in southern Kenya reveals that the size of a female's swollen rump doesn't matter as much as previously thought. Females with bigger backsides don't necessarily make better mothers, and males actually prefer females with more postpartum cycles over larger derriers.

SourceDuke University·JournalAnimal Behaviour·DateApr 20, 2015

Smoking may affect some women's likelihood of giving birth to twins

A study discovered that smoking can raise the likelihood of producing twins in women with certain genetic backgrounds, particularly those with a variant in the TP53 gene. The researchers found significant interactions between smoking and genetic variations, suggesting a possible explanation for reports of mothers of twins being more li...

SourceWiley·JournalAmerican Journal of Human Biology·DateApr 20, 2015

New research finds smoking and mother's genetics combine to increase likelihood of twins

African American mothers who smoke and have a specific genetic profile are more likely to conceive twins. The study found that the presence of a TP53 gene variant is crucial in 'twinning'. Researchers discovered a significant interaction between smoking and this genetic factor, leading to an increased likelihood of having twins.

SourceUniversity of South Florida (USF Health)·JournalAmerican Journal of Human Biology·DateApr 17, 2015

How do single women seeking donor semen differ from cohabiting women?

A Danish study of 311 women reveals that single women seeking donor semen differ little from cohabiting women in terms of sociodemographic characteristics and attitudes toward motherhood. The study suggests that the myth surrounding single women's suitability for parenthood may be overstated.

SourceWiley·JournalActa Obstetricia Et Gynecologica Scandinavica·DateApr 7, 2015

Concerns over the online market of human breast milk

The unregulated online market for human breast milk puts infants at risk due to lack of pasteurization and proper testing. Experts call for legal regulation and training for healthcare workers to ensure safe alternatives are offered to mothers struggling with breastfeeding.

SourceBMJ Group·JournalThe BMJ·DateMar 24, 2015

How does prison time affect relationships?

Mothers connected to recently incarcerated men experience lower overall relationship quality, supportiveness, and physical abuse. Current paternal incarceration is positively associated with some indicators of relationship quality.

SourceWiley·JournalJournal of Marriage and Family·DateMar 16, 2015

Cesarean section rates in Portugal decline by 10 percent

Portugal's cesarean section rates dropped by 10% between 2009 and 2014, with a 14% reduction in state-hospitals. This decrease is linked to improved information sharing and training among healthcare staff, as well as the inclusion of C-section rates in hospital funding criteria.

SourceWiley·JournalActa Obstetricia Et Gynecologica Scandinavica·DateMar 2, 2015

Study: High stress for new mothers increases secondhand smoke risk for infants

A recent study found that new mothers experiencing higher social stressors have a 2.5 times higher odds of having only partial or no restrictions on smoking in their home, exposing infants to secondhand smoke. The researchers identified statistically significant socio-demographic and socio-economic trends in home smoking rules, highlig...

SourceUniversity of Kansas·JournalAmerican Journal of Public Health·DateFeb 27, 2015

Children of undocumented Mexican immigrants have heightened risk of behavior problems

A new study reveals that children of undocumented Mexican immigrants are more likely to experience internalizing and externalizing behavior problems, such as sadness and aggressiveness. The researchers rule out explanations based on socioeconomic status or maternal mental health, highlighting the need for culturally-sensitive services.

SourceAmerican Sociological Association·JournalJournal of Health and Social Behavior·DateFeb 26, 2015

Undocumented Mexican immigrants' kids have higher risk of behavior problems

A recent study by Penn State researchers found that children of undocumented Mexican immigrants have a significantly higher risk of internalizing and externalizing behavior problems compared to their co-ethnic counterparts with documented or naturalized citizen mothers. The study used data from over 2,500 children ages three to 17 in L...

SourcePenn State·JournalJournal of Health and Social Behavior·DateFeb 26, 2015

Help is just a call away for mothers with postnatal depression

Research reveals that telephone-based peer support can significantly reduce postnatal depression in new mothers. Social support from peers was found to be effective for maternal depression up to two years after delivery, with a decline in depressive symptoms after the intervention.

SourceWiley·JournalJournal of Advanced Nursing·DateFeb 23, 2015

Cooperation, considered

A new model developed by Harvard researchers explains how motives impact cooperation and why people trust genuine altruists over those who open envelopes. The 'envelope game' helps capture the notion that people value principle-driven behavior, especially in situations where cooperation comes with a cost.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateFeb 5, 2015

Mothers don't speak so clearly to their babies

New research published in Psychological Science suggests that mothers may speak less clearly to their infants than they do to adults. The study found that mothers tend to use cutesy words and a sing-song voice when talking to babies, but still pronounce sounds slightly less distinctly than when addressing adults.

SourceRIKEN·JournalPsychological Science·DateJan 23, 2015

Autonomous tots have higher cognitive skills

A study by researchers at the University of Montreal found that children whose mothers consistently supported their autonomy had higher executive functioning skills. The mother's ability to teach problem-solving skills and take her child's perspective was crucial in shaping the child's cognitive abilities.

SourceUniversity of Montreal·JournalJournal of Child and Family Studies·DateJan 13, 2015

Poor diet links obese mothers and stunted children

A new study published in the Maternal and Child Health Journal found that households with obese mothers and stunted children often rely on high-energy, low-nutrient foods like chocolate and biscuits. In contrast, diets rich in fruits and vegetables are associated with lower rates of double-burden households.

SourceUniversity College London·JournalMaternal and Child Health Journal·DateDec 11, 2014

Boy moms more social in chimpanzees

Research on Tanzanian chimpanzees reveals that the mothers of sons are 25% more social than those of daughters. They spend more time with other adults and associate with more kin, which helps their young males develop social skills. This finding suggests a potential link between early social exposure and gender-typical behavior in humans.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateNov 24, 2014

Fathers' engagement with baby depends on mother

Researchers found that fathers' positive engagement increased as their intuitive parenting increased, but only when mothers had shown lower levels of intuitive parenting. The study involved highly educated, dual-earner couples and few in which the mother would be staying at home full-time.

SourceOhio State University·JournalInfant Mental Health Journal Infancy and Early Childhood·DateNov 19, 2014

Taking antibiotics during pregnancy increases risk for child becoming obese

A recent study by Columbia University's Mailman School of Public Health found that children exposed to antibiotics in the second or third trimester of pregnancy had a higher risk of childhood obesity at age 7. Additionally, delivery by Caesarean section was also associated with a higher risk of childhood obesity.

SourceColumbia University's Mailman School of Public Health·JournalInternational Journal of Obesity·DateNov 18, 2014