Bayer HealthCare Pharmaceuticals established a new campaign for Yaz birth control to ensure consumers understand that Yaz does not treat PMS, a claim which had been made in early Yaz advertisements. Bayer is using .

The correct answer would be - corrective advertisement.

Explanation:

Bayer health care pharmaceuticals established new campaign to make people aware about Yaz birth control that this Yaz does not treat PMS which is a correcting the common misconception about the product which is known as the correct advertisement.

Corrective advertising is the process to reduce or rectify wrong and misleading believes or that has been spread by the misleading advertisement.

Thus, the correct answer is - corrective advertisement.

which ever one is showing doing the same exercise in time intervals such as 30 seconds or a minute several times.