Smoking and alcohol are both harmful to fertility. So, you’ll want to avoid them during the implantation window. Too much caffeine can also affect implantation. So, if you can’t go without your morning coffee, stick to 1-2 cups a day.  NSAIDs (such as Advil and Aleve) may hinder implantation as well. They interfere with prostaglandins, which are needed for implantation. So, steer clear of NSAIDs for now. Also on the no list is anything that raises your body temperature too high. That means skipping saunas, steam rooms, and hot baths for now.  And while exercise is helpful for fertility, you don’t want to overdo it during implantation. Some evidence shows that vigorous activity may harm pregnancy chances. So, take a break from excessive exercising and aim for gentle exercises such as brisk walks and yoga.