Clinique also has an anti blemish solutions range that is very good. But i'm not sure it's any better at the end of the day than cetaphil products or others you can get from the chemist.
My skin has changed so much during pregnancy but I have the opposite issue - my skin has gone from oily/combination with blemishes to dry and absolutely zero blemishes.
But... important to make sure you're using the right products for your skin now, not your skin before pregnancy.
Together with all the usual tips - try not to touch your face, keep hands and face clean and if you're getting break outs on neck and forehead, consider your shampoo and conditioner and what they might be doing.