It depends. If the haunted house is one for children, meaning something extremely mild in the scare factor, then it should be fine. But the later you are in your pregnancy paired with the intensity of a professional haunted house could be cause for concern.
There is no dedicated baby care centre at Universal Studios Hollywood, but there are baby changing facilities in all the restrooms. If you want privacy for breastfeeding, there's a nursing area in the first aid station. You can hire single and double strollers at the park entrance or bring your own.
The following items are not permitted: any type of explosive or weapon, alcoholic beverages, marijuana, illegal drugs, clothing likely to create a danger or disturbance, clothing that may create a false impression of employment by Universal or as emergency personnel, segways (unless utilized as an ADA mobility device), ...
That's right, there are attractions in Disney World that you can still ride while pregnant. Obviously, rides like Tower of Terror and Guardians of the Galaxy: Cosmic Rewind aren't included on that list.
Health and Safety – Frequently Asked QuestionsA: Women who have entered their 24th week of pregnancy as of their embarkation date or who will enter their 24th week of pregnancy during the cruise will be refused passage due to safety concerns.