The 2 strong and the 1 medium has been formed by Bayer, Dong-A Pharmaceutical and Pfizer in the oral contraceptive market

As Dong-A Pharmaceutical took over the Bayer’s 4 oral contraceptives, the domestic oral
contraceptive market has become an arena for a domestic company, Dong-A Pharmaceutical, and two multinational companies, Bayer and Pfizer.

It is expected, particularly, that it will be the competition between Bayer and Dong-A Pharmaceutical among the three companies.

First of all, although Dong-A has taken...