A blocked nose, body ache and headache without fever in the 9th month usually points to a common cold, not something affecting your pregnancy directly. Your baby's normal movements are reassuring, and this type of cold usually settles within a few days.
Next Steps
Steam inhalation, saline nasal drops and warm fluids ease the congestion safely. Paracetamol can help with the body ache and headache, but confirm the right strength with your obstetrician first.
Health Tips
See your obstetrician the same day if fever develops, baby movements reduce, or you get a severe headache with blurred vision.