Stop immediately and seek medical advice if you notice:
- Trouble walking.
- Strong back, pelvic, or chest pain.
- Dizziness, fainting, or headaches.
- Palpitations or shortness of breath.
- Severe fatigue or muscle weakness.
- Contractions or abdominal cramping.
- Swelling of the face, hands, legs or feet.
- Vaginal bleeding, fluid leakage, or decreased baby movements.