conjugal rights       
noun [ plural ]  often humorous uk/ˌkɒn.dʒʊ.ɡəl ˈraɪts/ us/ˌkɑːn.dʒʊ.ɡəl ˈraɪts/
 夫妻同房权
the right to have sex with the person you are married to
  He complained that he had been denied his conjugal rights. 他抱怨说他被剥夺了过夫妻性生活的权利。