Microbes in Human Fetuses Spur Immune Development
Microbes in Human Fetuses Spur Immune Development
Researchers identify live bacteria in fetal guts, skin, lungs, and placentas that activate memory T cells, indicating that early exposure to microbes could help educate the developing immune system.
Microbes in Human Fetuses Spur Immune Development
Microbes in Human Fetuses Spur Immune Development

Researchers identify live bacteria in fetal guts, skin, lungs, and placentas that activate memory T cells, indicating that early exposure to microbes could help educate the developing immune system.

Researchers identify live bacteria in fetal guts, skin, lungs, and placentas that activate memory T cells, indicating that early exposure to microbes could help educate the developing immune system.

fetus
Doctors Investigate Several Stillbirths Among Moms with COVID-19
Doctors Investigate Several Stillbirths Among Moms with COVID-19
Anthony King | Apr 23, 2021
After a handful of cases in Ireland, clinicians there are warning that the virus might infect the placenta in very rare instances and cause fetal distress, but a rise in stillbirths has not been seen in epidemiological studies.
COVID-19 Vaccines for Pregnant Moms May Protect Newborns
COVID-19 Vaccines for Pregnant Moms May Protect Newborns
Catherine Shaffer | Feb 17, 2021
A case study finds SARS-CoV-2 antibodies in placental cord blood after maternal vaccination.
Pregnant COVID-19 Patients
Pregnant COVID-19 Patients
The Scientist Staff | Jan 11, 2021
See a news report on a study of expectant mothers with SARS-CoV-2 infections.
Human Fetuses Can Contract SARS-CoV-2, but It’s Rare
Human Fetuses Can Contract SARS-CoV-2, but It’s Rare
Ashley Yeager | Jan 1, 2021
Compared with Zika and cytomegalovirus, the virus that causes COVID-19 appears to have a harder time penetrating the placenta and moving to a woman’s unborn baby.
Infographic: How SARS-CoV-2 Might Travel from Mom to Fetus
Infographic: How SARS-CoV-2 Might Travel from Mom to Fetus
Ashley Yeager | Jan 1, 2021
The virus rarely spreads from mother to child before birth, but it can—and researchers are starting to investigate the path it takes.
New RNA-Based Tool Could Assess Preeclampsia Risk
New RNA-Based Tool Could Assess Preeclampsia Risk
Amanda Heidt | Sep 1, 2020
Transcripts circulating in the blood provide real-time information about maternal, fetal, and placental health.
Circulating Fetal Cells Sequenced for Prenatal Testing Study
Circulating Fetal Cells Sequenced for Prenatal Testing Study
Emily Makowski | Dec 10, 2019
Trophoblasts, collected from the mother during a blood draw, can determine fetal genetic abnormalities currently diagnosed through amniocentesis or chorionic villi sampling.
Fluoride Exposure During Pregnancy Linked to Lower IQ in Sons
Fluoride Exposure During Pregnancy Linked to Lower IQ in Sons
Ashley P. Taylor | Aug 20, 2019
The authors of the study that found the association say more research is needed on maternal fluoride and child IQ.
Does Sharing the Womb with a Brother Affect Girls?
Does Sharing the Womb with a Brother Affect Girls?
Ashley Yeager | Mar 19, 2019
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
Does Prior Dengue Exposure Help or Hurt a Zika Infection?
Does Prior Dengue Exposure Help or Hurt a Zika Infection?
Diana Kwon | Mar 6, 2019
Animal and cell culture studies show evidence that dengue antibodies can both neutralize and enhance Zika, but human investigations have only found protective effects.
SSRI Consumption During Pregnancy Linked to Changes in Babies’ Brains
SSRI Consumption During Pregnancy Linked to Changes in Babies’ Brains
Ashley Yeager | Apr 9, 2018
MRI data suggest prenatal exposure to the medication increases the volume of brain regions vital to processing emotions.
Maternal Response to Zika Damages Mouse Fetuses
Maternal Response to Zika Damages Mouse Fetuses
Catherine Offord | Jan 5, 2018
Signaling pathways triggered by the mother’s immune system may cause complications during fetal development.
The Industry of Bodies Donated for Science Lacks Oversight: Investigations
The Industry of Bodies Donated for Science Lacks Oversight: Investigations
Katarina Zimmer | Dec 27, 2017
Reuters sheds light on the largely unregulated trade of human body parts taken from human cadavers donated for science. 
An Immunological Timeline for Pregnancy
An Immunological Timeline for Pregnancy
Catherine Offord | Sep 1, 2017
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.
Zika Vaccines Protect Mouse Fetuses
Zika Vaccines Protect Mouse Fetuses
Aggie Mika | Jul 13, 2017
The first-of-its-kind study follows on the heels of ethicists’ urging vaccine developers to conduct clinical trials in pregnant women.
Fetal Immune System Operational by Second Trimester
Fetal Immune System Operational by Second Trimester
Abby Olena | Jun 14, 2017
Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.
Study: Babies’ Microbiomes Indifferent to Mode of Delivery
Study: Babies’ Microbiomes Indifferent to Mode of Delivery
Kerry Grens | Jan 23, 2017
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. 
Study: Zika-Exposed Babies 50 Times More Likely to Be Born with Microcephaly
Study: Zika-Exposed Babies 50 Times More Likely to Be Born with Microcephaly
Jef Akst | Sep 16, 2016
Scientists estimate the risk to fetuses exposed to the virus in utero.
Zika Update
Zika Update
Kerry Grens | Aug 24, 2016
More locally acquired cases in Florida; fetal brain damage investigated