* * You can enjoy preferential pregnancy test if you apply for a birth permit in Chongqing * *. According to Chongqing's birth policy, women who participate in residents' medical insurance and hold birth certificates can enjoy birth treatment, including prenatal examination fees and maternity medical expenses. Among them, the subsidy for prenatal examination of pregnant women is 100 yuan. Therefore, women who have a birth permit in Chongqing can enjoy the preferential pregnancy test of the birth permit.

Please note that the specific preferential policies may be different due to regional and policy changes, and it is recommended to know the local policies in detail before handling them.