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A premature infant drinking from a bottle
In Search of the Best Milk Recipe for Preemies’ Gut Bacteria
Milk fortifiers of human origin show no evident advantage in the development of the gut microbiota of premature infants over fortifiers derived from cows, while the intake of the mother’s own milk does, two studies suggest.
In Search of the Best Milk Recipe for Preemies’ Gut Bacteria
In Search of the Best Milk Recipe for Preemies’ Gut Bacteria

Milk fortifiers of human origin show no evident advantage in the development of the gut microbiota of premature infants over fortifiers derived from cows, while the intake of the mother’s own milk does, two studies suggest.

Milk fortifiers of human origin show no evident advantage in the development of the gut microbiota of premature infants over fortifiers derived from cows, while the intake of the mother’s own milk does, two studies suggest.

childbirth
An illustration of a pregnant women wearing a mask, surrounded by microbes
How COVID-19 Affects Pregnancy
Amanda Heidt | Aug 16, 2022 | 10 min read
Evidence thus far shows that pregnant people infected with SARS-CoV-2 are at higher risk for severe disease and death, as well as complications in their pregnancies.
babies
Sex Ratios at Birth Linked to Pollutants
Chloe Tenn | Dec 3, 2021 | 2 min read
A large, long-term study across the US and Sweden finds potential correlations between specific pollutants and the proportions of male and female babies born.
Researchers Head to the Hills to Study Pregnancy
Amanda Heidt | Aug 1, 2021 | 5 min read
High altitude is a natural laboratory for investigating pregnancy complications, such as preeclampsia and gestational hypertension, that restrict a fetus’s oxygen supply.
Fecal Transfer from Moms to Babies After C-Section: Trial Results
Ruth Williams | Oct 1, 2020 | 4 min read
Tiny doses of maternal poo mixed with breast milk and given to Cesarean-born infants makes their gut microbiota resemble those of babies born vaginally.
Study: Antibiotics After Assisted Birth Reduce Maternal Infections
Ashley P. Taylor | May 14, 2019 | 2 min read
Delivery guidelines should be updated to reflect these results, the authors write.
Human Birth Canal Varies More Widely than Previously Thought
Anna Azvolinsky | Oct 24, 2018 | 3 min read
The pelvic bones of women have been shaped more by random evolution than by natural selection, a new study finds.
An Immunological Timeline for Pregnancy
Catherine Offord | Sep 1, 2017 | 4 min read
A new study uses blood samples from pregnant women to track changes in the immune system leading up to birth, and predicts gestational age from the mothers’ immune signatures.
Study: Babies’ Microbiomes Indifferent to Mode of Delivery
Kerry Grens | Jan 23, 2017 | 2 min read
Study of 81 six-week-olds who were born by C-section or vaginal delivery didn’t show differences in the structure or function of their microbiota, despite contrary results from other studies on babies. 
Early-Life Microbiome
Tracy Vence | Jun 16, 2016 | 2 min read
Analyzing the gut microbiomes of children from birth through toddlerhood, researchers tie compositional changes to birth mode, infant diet, and antibiotic therapy.
Startup Licenses “Vaginal Seeding” Approach
Tracy Vence | Mar 31, 2016 | 2 min read
Boston-based Commense plans to develop microbial and nonmicrobial interventions aimed at improving child health.
Opinion: A Mother’s Microbes
Rob Knight and Jack Gilbert | Mar 3, 2016 | 3 min read
On “vaginal seeding” and the challenge of evidence-based parenting
Restoring C-Section Babies’ Microbiota
Catherine Offord | Feb 1, 2016 | 3 min read
A small pilot study suggests exposure to maternal vaginal fluids could restore infant microbiota following Cesarean-section delivery.
Maturation of the Infant Microbiome
Kerry Grens | May 13, 2015 | 3 min read
Gut microbial communities from breastfed babies are slow to resemble adults’ microbiota.
Clamping Cords Too Soon?
Kate Yandell | Jul 16, 2013 | 2 min read
A review study indicates that clamping umbilical cords immediately after birth, rather than waiting a few minutes, may increase the risk of iron and hemoglobin deficiency in infants.
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