Links to the headlines. Baby brain doesn't exist and the condition is all in mum's mind, say scientists. Daily Mirror, April 7 2015. 'Baby brain' DOESN'T exist: Tests reveal pregnant women and new mothers suffer no decline - leading scientists to declare the condition is 'all in the mind'.
Low Estrogen Premenstrual Symptoms. Low Estrogen Premenstrual Symptoms. While low progesterone is the most common hormone imbalance responsible for PMS and PMDD, and testosterone excess or deficiency may be involved in many cases, low estrogen function may also be contributory to premenstrual symptoms.
The rise and fall of progesterone and estrogen (the two PMS causing hormones before period onset) alters brain chemicals referred to as neurotransmitters. Neurotransmitters are naturally responsible for the transition of messages between nerve cells, particularly those in the brain.