advertisement
Reference Terms
from Wikipedia, the free encyclopedia

Progesterone

Progesterone is a C-21 steroid hormone involved in the female menstrual cycle, pregnancy (supports gestation) and embryogenesis of humans and other species.

Note:The above text is excerpted from the Wikipedia article "Progesterone", which has been released under theGNU Free Documentation License.
advertisement

Related Stories

advertisement


Science News
July 25, 2023

Gloomy Climate Calculation: Scientists Predict a Collapse of the Atlantic Ocean Current to Happen Mid-Century

Important ocean currents that redistribute heat, cold and precipitation between the tropics and the northernmost parts of the Atlantic region will shut down around the year 2060 if current greenhouse gas emissions persist. This is the conclusion ...

Greenland Melted Recently: High Risk of Sea Level Rise Today

A large portion of Greenland was an ice-free tundra landscape -- perhaps covered by trees and roaming woolly mammoths -- in the recent geologic past (about 416,000 years ago), a new study shows. The results help overturn a previous view that much of the Greenland ice sheet persisted for most of the ...

Post-Menopause Orca Mothers Protect Their Sons from Being Injured by Other Orcas

Female killer whales live up to ninety years in the wild, and most live an average of twenty-two years after menopause. Scientists have long wondered why humans and some whale species spend a significant portion of their life not reproducing. ...

Researchers Generate Human Embryo-Like Structures That Include Extraembryonic Tissue

Gastrulation, the process where an embryo reorganizes itself from a hollow sphere into a multilayered structure, is considered a 'black box' of human development. This is because human embryos are typically not cultured for longer than 14 days ...
Latest Headlines
updated 12:56 pm ET