###Human: Does having Cyclogest causes shortness of breath? ###Assistant: Hello. You can switch to oral administration of Progesterones and half the dosage with tablet Susten 300 mg SR (sustained release) once at night daily orally. This shall reduce your possible breathlessness, and uneasiness. You should repeat your ultrasound now, and see if the placentation has improved, and the fetus is viable with no evidence of subchorionic hemorrhage. Please follow-up with the ultrasound report and discuss with your obstetrician to decrease the progesterone dosage, and take an informed decision.