Parents should contact their pediatrician if they experience: - Regular and Painful Contractions: If contractions become regular, painful, and closer together, it may indicate true labor. - Bleeding or Fluid Leakage: Any vaginal bleeding or leakage of amniotic fluid requires immediate medical attention. - Severe Discomfort: If the contractions cause significant discomfort or pain, it is advisable to seek medical advice. - Reduced Fetal Movement: Any noticeable reduction in fetal movement should be reported to a healthcare provider.