A babymoon is a pause. The aim is rest, closeness and good food, not ticking off sights. Always talk to your doctor before booking, and check your airline's rules, which usually become stricter later in pregnancy.
Timing
Many couples find the second trimester the most comfortable window, when energy is back and the travel restrictions of late pregnancy have not begun. Your own doctor's advice always comes first.
What to look for
Short or direct flights, a good hospital within reach, a hotel with a quiet spa, and a pace where nothing is early or rushed. A place you can reach without long drives is worth more than a famous name.
What to avoid
Remote places with limited medical access, anything with a demanding itinerary, and regions with health advisories relevant to pregnancy. Check current official travel health guidance before you decide.