Did Social Security file for maternity insurance as well?

No. Social security does not mean that maternity insurance is also upgraded, social security and maternity insurance are two different insurance, need to be paid and adjusted separately, the social security is upgraded, but the maternity insurance payment is not adjusted accordingly, then in the birth of a child can not enjoy the maternity insurance protection, the need to adjust the maternity insurance payment, need to be separately to the local social security department to consult and apply for the relevant procedures.