自发性乳糜胸 (spontaneouschylothorax)是指不明原因的乳糜性胸腔积液 ,发生于妊娠期者极罕见。临床表现为胸闷、气急。妊娠期妇女心肺负担加重 ,合并本病时容易引起呼吸功能衰竭。妊娠期一般不采用X线检查 ,客观上增加了本病的诊断难度。我院 2 0 0 3年 3月收治了 1例妊娠期 Spontaneous chylothorax (spontaneous chylothorax) refers to unexplained chylous pleural effusion, occurred in very rare pregnancy. Clinical manifestations of chest tightness, shortness of breath. Pregnancy women’s cardiovascular burden, combined with the disease easily lead to respiratory failure. Pregnancy generally do not use X-ray examination, objectively increased the difficulty of diagnosis of the disease. In our hospital in March 2003, 1 case of pregnancy was admitted