You should have no more than 200 mg / day or no more than 2 - 3 cups of coffee a day, and you should particularly avoid excess caffeine during the first trimester. (babypibu.com)
However, keep in mind that like excess caffeine, too much of anxiety can ruin things. (entrepreneur.com)
Alcohol prevents optimal detoxification by the liver and, along with excess caffeine, cause loss of water and a dehydrated state, which will exacerbate wrinkles. (parsleyhealth.com)