Embryo News and Research

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California’s much-touted IVF law may be delayed until 2026, leaving many in the lurch

California lawmakers are poised to delay the state's much-ballyhooed new law mandating in vitro fertilization insurance coverage for millions, set to take effect July 1. Gov. Gavin Newsom has asked lawmakers to push the implementation date to January 2026, leaving patients, insurers, and employers in limbo.

25 Jun 2025

LINE-1 elements found essential for early embryonic development

A new review from Genes and Diseases sheds light on the pivotal role of LINE-1 elements in preimplantation development and totipotency, revealing their essential contributions to early mammalian embryogenesis.

25 Jun 2025

New technology unlocks cellular ancestry with DNA barcodes

A landmark study by WEHI scientists has shed new light on one of the most fundamental mysteries of biology: how cells divide and grow into the complex structures that make up our bodies.

24 Jun 2025

Mayo Clinic researchers discover how ovarian cancer may begin

Little is known about what causes ovarian cancer, and there is no way to detect it early yet. About 75% of the time when someone is diagnosed with ovarian cancer, it has already progressed to stage 3 or stage 4, which means it has spread to other parts of the body.

24 Jun 2025

Kupffer cell reprogramming in embryos explains metabolic disorders in offspring

Children born to obese mothers are at higher risk of developing metabolic disorders, even if they follow a healthy diet themselves.

18 Jun 2025

ISSCR updates guidelines for oversight and regulation of stem cell-based embryo models

The International Society for Stem Cell Research (ISSCR) Embryo Models Working Group has released updated recommendations for the oversight and regulation of stem cell-based embryo models (SCBEM), aiming to address rapid advancements and ensure responsible scientific progress.

11 Jun 2025

New insights into the physical principles behind embryo development

During embryonic development, thousands of cells divide and move collectively to sculpt the main body axes.

9 Jun 2025

Blood cell-free RNA signatures can predict preterm birth months in advance

Children born before 37 weeks of gestation have a considerably increased risk of dying before they reach the age of five.

25 May 2025

Discovery unravels two populations of gonadotrophs in the pituitary gland

Researchers at the Francis Crick Institute have shown that gonadotrophs, cells in the pituitary gland with a key role in puberty and reproduction, come from two different populations, with the majority produced after birth rather than in the embryo, as previously thought.

21 May 2025

Nanozymes offer promise for treating inflammation during pregnancy

Special care must be taken with illnesses during pregnancy, as not all drugs are compatible for mother and child.

20 May 2025

New stem cell model replicates human amniotic sac development

Researchers at the Francis Crick Institute have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four weeks after fertilization.

15 May 2025

Scientists capture first real time images of heart formation in mouse embryos

Researchers at UCL and the Francis Crick Institute have, for the first time, identified the origin of cardiac cells using 3D images of a heart forming in real-time, inside a living mouse embryo.

13 May 2025

New human ovaroid model offers insight into infertility and differences in sex development

A new model of tiny human ovary organoids, or ovaroids, has been developed from stem cells, according to research presented at the first Joint Congress between the European Society of Paediatric Endocrinology (ESPE) and the European Society of Endocrinology (ESE).

11 May 2025

Eating avocado in pregnancy cuts infant food allergy risk by nearly half

Pregnant women who ate avocado were significantly less likely to have children with food allergies at 12 months of age. The association held even after adjusting for maternal diet quality, lifestyle, and perinatal factors in a large Finnish cohort.

8 May 2025

Chimpanzee blastoids offer clues to early embryogenesis

Understanding how cells differentiate during early embryonic development is crucial for advancing regenerative medicine and developmental biology.

25 Apr 2025

Turning to kelp for sustainable lab-grown meat

Researchers are growing the food of the future in this laboratory: meat that uses kelp as an alternative to animal-based ingredients.

25 Apr 2025

Epigenetic flexibility helps embryos avoid developmental errors

An international research team led by Helmholtz Munich has, for the first time, 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 fertilization.

23 Apr 2025

Zinc found in glassware may impair embryo development in IVF

The research team discovered that glassware used to manipulate and culture fertilized eggs in the fields of assisted reproductive technology (ART), livestock farming, and basic research contains toxic substances that interfere with the development of fertilized eggs (embryos).

18 Apr 2025

Seasonal air pollution found to undermine IVF success

Exposure to fine particulate matter during fertility treatment windows—especially in winter—negatively impacts pregnancy and live birth rates

17 Apr 2025

Smaller hatching embryos more likely to be genetically healthy

A new research paper was published in Aging (Aging-US) Volume 17, Issue 3, on March 5, 2025, titled "Reproductive aging, preimplantation genetic testing for aneuploidy, and the diameter of blastocysts: does size matter?"

9 Apr 2025