Doctors warn new parents: Step away from the vaginal fluid swabs

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To slather, or not to slather-that is the question that has been roiling doctors, scientists, and new parents recently. And a new ruling by a doctor's group stands to muck up the debate further.

Amid the birth of microbiome research, some scientists have advocated for smearing bacteria-laden vaginal secretions on any newborns who missed out-namely those born via Caesarian section. Scientists keenly hypothesize that such a gooey glaze can "seed" a more-or-less sterile infant with life-long microbial companions. These wee chums may help train an infant's immune system and dodge issues like allergies and asthma later in life. Several studies have indeed found correlations between C-section deliveries and higher risks of those conditions.

With that, motherly coatings caught on. More and more parents are now requesting "vaginal seeding" for babies delivered via C-section. But infectious disease experts, pediatricians, obstetricians, and gynecologists have pushed back, questioning the safety and noting that there's no evidence of a health benefit.

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