<unk>  (BWS) is a pattern of signs and symptoms displayed by a<unk>  who has suffered persistent intimate partner violence: whether psychological, physical, or sexual, from her male partner. It is classified in the ICD-9 (code ) as<unk>  person syndrome, but is not in the DSM-5. It may be diagnosed as a subcategory of post-traumatic stress disorder (PTSD). The condition is the basis for the<unk><unk>  legal defense that has been used in cases of physically and psychologically abused<unk>  who have killed their male partners. The condition was first researched extensively by Lenore E. Walker, who used Martin Seligman's learned helplessness theory to explain why<unk>  stayed in relationships with abusive men. Although the diagnosis has mainly centered on<unk> , it has occasionally been applied to men when employing the term<unk>  person syndrome, especially as part of a legal defense.
Battered woman syndrome
Haim–Munk syndrome
Hamman's syndrome
Retired husband syndrome
Kocher–Debre–Semelaigne syndrome
Börjeson–Forssman–Lehmann syndrome
Asherman's syndrome
Ho–Kaufman–Mcalister syndrome