Pregnancy and Childbirth News

May 13, 2025

Top Headlines

Higher Success Rate Using a Simple Oral Swab Test Before IVF

May 13, 2025 — Researchers have conducted a clinical study to show how a woman's genetic profile provides information on which hormone treatment is most effective for in vitro fertilization (IVF). The researchers have now developed a simple oral swab test that ...

Scientists Film the Heart Forming in 3D Earlier Than Ever Before

May 13, 2025 — Researchers have identified the origin of cardiac cells using 3D images of a heart forming in real-time, inside a living mouse ...

Fatty Liver in Pregnancy May Increase Risk of Preterm Birth

May 9, 2025 — Pregnant women with metabolic dysfunction-associated steatotic liver disease (MASLD) have an increased risk of giving birth prematurely and the risk increase cannot be explained by obesity, according to a new ...

Childhood Brain Tumors Develop Early in Highly Specialized Nerve Cells

May 7, 2025 — Medulloblastomas, brain tumors in children, are thought to develop between the first trimester of pregnancy and the end of the first year of life. Researchers have now analyzed the genetic changes of each individual cancer cell in tumor samples in ...

Latest Headlines

updated 10:44pm EDT

Evidence Review Raises Concern About Cannabis Use in Pregnancy

May 5, 2025 — A systematic evidence review finds that consuming cannabis while pregnant appears to increase the odds of preterm birth, low birth weight and infant ...

Designer Microbe Shows Promise for Reducing Mercury Absorption from Seafood

May 1, 2025 — Scientists inserted DNA-encoding methylmercury detoxification enzymes into the genome of an abundant human gut bacterium. The engineered bacterium detoxified methylmercury in the gut of mice and ...

The All-Female Korean Haenyeo Divers Show Genetic Adaptions to Cold Water Diving

May 2, 2025 — The Haenyeo, a group of all-female divers from the Korean island of Jeju, are renowned for their ability to dive in frigid waters without the aid of ...

Data Collection Changes Key to Understanding Maternal Mortality Trends in the US, New Study Shows

Apr. 28, 2025 — A new study offers fresh insight into trends in maternal mortality in the United States. For the first time, the study disentangles genuine changes ...

Chimpanzee Stem Cells Offer New Insights Into Early Embryonic Development

Apr. 25, 2025 — Chimpanzee naive pluripotent stem cells (PSCs) can now be grown in cellular cultures, reveals a recent study. They successfully created chimpanzee early embryo models, called 'blastoids,' and found ...

How DNA Self-Organizes in the Early Embryo

Apr. 23, 2025 — An international research team has provided a detailed insight into how the spatial organization of genetic material is established in the cell nucleus of early embryos within the first hours after ...

Newborns Living Near Trees Tend to Be Healthier: New Data Suggests It's Not Because Healthier People Reside Near Parks

Apr. 23, 2025 — The link between proximity to greenspace -- including trees and parks-- and healthy birth outcomes is well established. Now new data adds to our ...

Guinea Pigs: Promising Animal Model to Study the Human Embryo

Apr. 10, 2025 — Researchers reveal that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human ...

Gestational Diabetes Linked to ADHD in Children

Apr. 14, 2025 — A new study has found children born to mothers who experienced gestational diabetes (GDM) during pregnancy are more likely to develop attention-deficient hyperactive disorder (ADHD) and externalizing ...

A Mysterious Pathogen: Oropouche Virus More Common in Latin America Than Previously Thought

Apr. 14, 2025 — Like the dengue and Zika viruses, Oropouche virus causes a febrile illness. There are recent indications that infections during pregnancy can cause ...

Protein Necessary for Fruit Fly Fertility

Apr. 9, 2025 — Researchers have found a new role for the transcription factor (proteins that regulate the transcription, or copying, of genes). In the fruit fly, this transcription factor, named Traffic Jam, ...

Researchers Identify Growing List of Genetic Disorders Treatable Before or Immediately After Birth

Apr. 9, 2025 — Researchers have identified nearly 300 genetic disorders that can be treated before or immediately after a baby is born. This 'treatable fetal findings list' could improve the diagnosis of ...

New Brain Organoid Model

Apr. 2, 2025 — Organoids have revolutionized science and medicine, providing platforms for disease modeling, drug testing, and understanding developmental processes. While not exact replicas of human organs, they ...

'Is That My Career Over?': Reflections of Elite Athletes During Pregnancy

Apr. 2, 2025 — Elite athletes have shared their worries about their sports career after ...

Using Everyday Products During Pregnancy Can Affect Newborn's Metabolism, Study Finds

Apr. 2, 2025 — A newly published study found that a mother's exposure to phthalates during pregnancy can affect their newborn's metabolism and brain development. These widely used plasticizers are ...

An Immune Cell May Explain How Maternal Inflammation Causes Neurodevelopmental Disorder

Apr. 1, 2025 — A research group has uncovered a potential mechanism linking maternal inflammation to delayed neurodevelopment in infants. The research suggests the role of CD11c-positive microglia -- immune cells ...

Postpartum Female Preference for Cooler Temperatures Linked to Brain Changes

Mar. 25, 2025 — Mothers experience major metabolic adaptations during pregnancy and lactation to support the development and growth of the new life. Although many metabolic changes have been studied, body ...

New IVF Method Mimics Fallopian Tube Environment, Increasing Sperm Viability

Mar. 24, 2025 — The success of in vitro fertilization depends on many factors, one of which is sperm viability. A recent study documents a new way to select viable sperm and prolong their viability in the ...

Scientists Use Cellular Programming to Mimic First Days of Embryonic Development

Mar. 20, 2025 — Using CRISPR-based engineering methods to prompt stem cells to organize into embryo-like structures, scientists were able to create 'programmable' cellular models of embryos without ever ...

Pregnancy Irreversibly Remodels the Mouse Intestine

Mar. 19, 2025 — Researchers have found that the small intestine grows in response to pregnancy in mice. This partially irreversible change may help mice support a pregnancy and prepare for a ...

Blood Pressure Patterns During Pregnancy Predict Later Hypertension Risk, Study Finds

Mar. 18, 2025 — Women with blood pressure levels in a range considered clinically normal during pregnancy but no mid-pregnancy drop in blood pressure face an increased risk of developing hypertension in the five ...

Embryo Development Holds Key to Healthy Lifestyles

Mar. 18, 2025 — Researchers have discovered that the earliest days of embryo development have a measurable impact on a person's future health and ...

Tunnel-Building Virus: How Zika Transmits from Mother to Fetus

Mar. 17, 2025 — The Zika virus builds tiny tunnels, called tunneling nanotubes, to stealthily transport material needed to infect nearby cells, including in placental cells, according to a team of researchers from ...

Oxytocin System of Breastfeeding Affected in Mothers With Postnatal Depression

Mar. 14, 2025 — The oxytocin system -- which helps release breast milk and strengthens the bond between mother and baby -- may be affected during breastfeeding in mothers experiencing postnatal ...

Mother's High-Fat Diet Can Cause Liver Stress in Fetus

Mar. 13, 2025 — When mothers eat a diet high in fat and sugars, their unborn babies can develop liver stress that continues into early life. A new study sheds light on changes to the fetus's bile acid, which ...

Study Pinpoints the Impact of Prenatal Stress Across 27 Weeks of Pregnancy

Mar. 10, 2025 — Researchers found new insights on the timing of prenatal stress and its effect on infant stress reactivity and temperament -- including differences between ...

Levels of Select Vitamins and Minerals in Pregnancy May Be Linked to Lower Midlife BP Risk

Mar. 9, 2025 — Higher levels of the minerals copper and manganese in pregnant women were associated with lower blood pressure and a reduced risk of developing high blood pressure decades later, according to a ...

Findings May Advance Understanding of Infertility in Mothers

Mar. 5, 2025 — Oxytocin, a hormone already known for its role in childbirth, milk release, and mother-infant bonding, may have a newfound purpose in mammalian reproduction. In times of maternal stress, the hormone ...

Prenatal Maternal Stressors Linked to Higher Blood Pressure During First Year After Birth, Study Shows

Mar. 4, 2025 — Psychosocial stress during pregnancy could lead to higher blood pressure during the first year postpartum according to new ...

Uncovering the Protein Complex Critical to Male Fertility

Mar. 3, 2025 — Researchers found that TEX38 and ZDHHC19 co-localize on the plasma membrane of spermatids and mediate S-palmitoylation of ARRDC5, a crucial protein for spermatogenesis. Disrupting either TEX38 or ...