Kelechi Ohiri, NHIA director-general, disclosed this in an interview on Tuesday in Abuja.
The NHIA director-general called on state governments and healthcare stakeholders to invest in targeted health financing and insurance for women.
Mr Ohiri said that with the collaborative efforts of legislators and health sector leaders, Nigeria can make significant strides towards achieving UHC.
Subscribers/enrollees complained of nonchalant treatment by accredited hospitals.
She expressed optimism that the training would strengthen the institutional capacity as well as that of the aged women.