For generations, pregnant women have described a peculiar fog settling over their minds — keys misplaced, words lost mid-sentence, rooms entered for reasons forgotten. Science has now caught up with lived experience: researchers at Baylor College of Medicine have identified the precise neural circuit through which sustained high estrogen during pregnancy temporarily disrupts memory formation, tracing the mechanism from the lateral hypothalamus to the hippocampus. The discovery does not pathologize pregnancy but rather dignifies the women who reported something real long before biology could co