In pregnancy as many as 50-80% of women complain of feeling forgetful, or not as sharp minded as they once were. These symptoms are more common in the third trimester and are sometimes referred to as “pregnancy brain” or “momnesia.” While the significant amounts of physical change that occur during pregnancy are obvious, the effects of pregnancy on the human brain are virtually unknown. Changes that take place beneath the surface include substantial hormonal shifts, and often times decreased quality of sleep and an increased anxiousness or fear.
These changes are believed to play a factor in “Momnesia.” However, more research needs to be done in order to affirm these hypotheses. A fascinating 2016 study, published in Nature America concluded that pregnancy is associated with pronounced changes in the structur