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 the GNU Free Documentation License.
Related Stories
1
2
Science News
May 7, 2025
May 7, 2025 — Physicists captured the first images of individual atoms freely interacting in space. The pictures reveal correlations among the 'free-range' particles that until now were predicted but never directly ...
May 7, 2025 — Climate scientists reveal that millions of today's young people will live through unprecedented lifetime exposure to heatwaves, crop failures, river floods, droughts, wildfires and tropical storms under current climate policies. If global ...
May 7, 2025 — Magnetar flares, colossal cosmic explosions, may be directly responsible for the creation and distribution of heavy elements across the universe, suggests a new ...
May 6, 2025 — Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new ...
Latest Headlines
updated 12:56 pm ET
May 7, 2025 — Researchers have discovered distinct roles for two dopamine receptors located on nerve cells within the portion of the brain that controls approach ...
May 7, 2025 — Researchers identified a natural 'brake' within the innate immune system: the inhibitory receptor Siglec-E (SigE) and its human counterparts, Siglec-7 and Siglec-9. This receptor helps prevent ...
May 7, 2025 — A new strategy may help prevent or slow the progression of Type 1 ...
May 7, 2025 — Scientists say human-caused climate change led to 15,000 additional early deaths from wildfire air pollution in the continental United States during ...
May 7, 2025 — Psychology literature has shown that curiosity tends to decline with age. Psychologists shows one type of curiosity can increase well into old age, contradicting prior research. Older adults who ...
May 7, 2025 — Researchers have developed a new type of pipette that can deliver ions to individual neurons without affecting the sensitive extracellular milieu. Controlling the concentration of different ions can ...
May 7, 2025 — A research team develops disinfection robot combining physical wiping and UV-C ...
May 7, 2025 — Groundbreaking device instantly detects dangerous street drugs, offering hope for harm reduction A portable device that instantly detects illicit ...
May 7, 2025 — Influenza viruses are among the most likely triggers of future pandemics. A research team has developed a method that can be used to study the ...
May 7, 2025 — Two new advanced predictive algorithms use information about a person's health conditions and simple blood tests to accurately predict a patient's ...