Hormonal changes can intensify things further
For purposes of B12 injections, It is manufactured in a laboratory and used to treat or alleviate anemia caused by B12 vitamin deficiency
HSS Journal , 21, 485 495
Neoplasia:279310 Hafez ESE (1982) Structural and ultrastructural parameters of the uterine cervix
Researchers see something far more complex - a system simultaneously managing nutrient absorption, barrier integrity, microbial interaction, and immune communication, all in real time, all in the same environment
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association , 156 , 112509