To feel extremely worried or frightened about something that is going to happen or that might happen. (Cambridge Dictionary)
Anticipate with great apprehension or fear. (Oxford Dictionaries)
To fear greatly. (Merriam – Webster)
To feel extreme reluctance to meet or face. (Merriam – Webster)
If you dread something which may happen, you feel very anxious and unhappy about it because you think it will be unpleasant or upsetting. (Collins Dictionary)
The Fascinating Dynamics of Dread.
Tokophobia: A dread of pregnancy.