What does it mean if only one ankle keeps swelling up?
It could mean that you have a blockage of blood running in your veins in your right leg (a deep vein thrombosis). It could be quite serious as sometimes a blood clot can occur late in pregnancy due to the lack of flow of blood due to all the extra pressure and weight. I would go to the hospital now and call your doctor or midwife. Take note if you have any pain on walking in your leg, get any pains in your chest when breathing and tell that to the doctor. Try not to rub your legs too much as this could dislodge a blood clot. Just please go to the doctor now. Hope it turns out to be ok. Additional: The fact that only one leg is swollen means that it cannot be a water retention problem and it is most probably due to a blood flow problem. If the leg/ankle is very sore to touch or red and warm to touch it could be some kind of inflammation.
