Vaginal seeding

From WikiMD's Wellnesspedia

Vaginal seeding, also known as microbirthing,[1] is a procedure whereby vaginal fluids (and hence vaginal microbes) are applied to a new-born child delivered by caesarean section. The purpose of the technique is to recreate the natural transfer of bacteria that the baby gets during a vaginal birth. It involves placing swabs in the mother’s vagina, and then wiping them into the baby’s face, mouth, eyes and skin.[2]

Purpose[edit | edit source]

Infants delivered vaginally are exposed to beneficial microorganisms known as microbiota when they travel down the birth canal. The baby is exposed to the mother’s vaginal microbes that wash over the child in the birth canal, which coves the skin, and enters the baby’s eyes, ears, nose, and mouth. These microbes often travel down into the gut after being swallowed. It is said that these microbes are important in the postnatal development of the immune system of the baby.[3]

In the event that a C-section is done before labour starts or before a woman’s water breaks, the infant won't come into contact with maternal vaginal fluid or bacteria. Instead, they come in contact with skin microbes, a very different set of species.[4] These differences, in turn, have been associated with increased risks of asthma, allergies, obesity, and immune deficiencies. Thus, these differences appear more often in infants after a caesarean delivery than after a vaginal delivery, according to certain epidemiological data.[5]

The purpose behind the practice of vaginal seeding or micro birthing is that it allows an infant delivered via caesarean section to come in contact with microbes from the birth canal. The expectation is that this may boost their gut bacteria and lessen the danger of health issues normally associated with caesarian infants. It contributes to the seeding of the infant gut.[6]

Evidence[edit | edit source]

It is unclear whether vaginal seeding has long term benefits or whether it is safe. In 2016 a small study was published in the Journal Nature Medicine to look into the benefits of vaginal seeding. However, the study authors acknowledged that the consequences of vaginal seeding remain unclear due to limited data.

In 2017, a subsequent study was published which found that there wasn’t a big difference, after six weeks, between the microbes of infants born vaginally versus those who received vaginal seeding.[7] which further added to the confusion. Furthermore, certain scholars have pointed out that a baby's exposure to bacteria begins even before birth and more research is required on this matter.[8]

Risks[edit | edit source]

Infants delivered by C-section are at a lower danger of exchange of some potentially harmful microbes and infections from the birth canal. However, with vaginal seeding, these harmful microorganisms and infections could be exchanged to the infant on a swab and potentially cause an infection.[9]

An editorial written in the British Medical Journal is advising practitioners and parents to not perform vaginal seeding as there is not enough evidence that it is beneficial for infants and could potentially put babies' health at risk.[10]

The American College of Obstetricians and Gynecologists (ACOG) also does not encourage or recommend vaginal seeding due to lack of evidence.[11]

See also[edit | edit source]

References[edit | edit source]

  1. Smith, Lydia. "Vaginal seeding: Doctors warn new mothers not to embrace dangerous 'microbirthing' trend". Independent UK. Retrieved 19 April 2018. {{cite web}}: Unknown parameter |name-list-format= ignored (help)
  2. "Tommy's - What is vaginal seeding?". Tommy's. Retrieved 27 October 2018.
  3. "Vaginal Seeding Not Recommended for Infants - ACOG". www.acog.org. Retrieved 27 October 2018.


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Contributors: Prab R. Tumpati, MD