text_1: During pregnancy, a woman’s brain shrinks and takes up to six months to regain its previous size.
text_2: What's true: A single study published in 2002 observed a reduction in women's brain volume during  pregnancy. What's false: One study is not necessarily representative of a real pattern, the sample size of the study was small, the study was designed, for a different purpose,  and there have been no efforts to replicate its results.