Before revision: Development The foramen ovale () forms in the late fourth week of gestation, as a small passageway between the septum secundum the ostium secundum.
After revision: People with this kind of heart problem may have been experiencing changes in their behavior such as mood swings anxiety severe sadness especially at the severe stage of the heart problem may also experience migraine and minute of blindnessDevelopment The foramen ovale () forms in the late fourth week of gestation, as a small passageway between the septum secundum the ostium secundum.