The concern with painting during pregnancy is not the paint itself touching your skin — it is the inhalation of volatile organic compounds (VOCs) that evaporate from the paint as it dries. Some VOCs, at high concentrations and prolonged exposure, have been associated with developmental effects in animal studies.
However, the key word is "high concentrations." Modern latex paints, especially low-VOC and zero-VOC formulas, produce far less fume output than the paints of decades past. Painting one room with latex paint, windows open, is a very different exposure than working in a paint factory eight hours a day.
The research on typical home painting and pregnancy outcomes does not show an increased risk when latex paint is used with ventilation. The concern is primarily with occupational-level exposure (professional painters working daily without protection) and with oil-based products containing strong solvents. If you are also setting up the nursery, our nursery checklist covers everything you need beyond paint.