“…Significantly, in one study of pregnant women diagnosed with autonomic dysfunction, where autonomic dysfunction was present in 55% before pregnancy, this figure rose to 100% during pregnancy (Taitubayeva et al 2020). Those with POTS may also experience symptoms such as trouble concentrating, light-headedness, palpitations, fatigue, exercise intolerance, and in severe cases, syncope (fainting) (Fedorowski, Hamrefors, Ricci 2021). The authors of a recent review of the literature have determined that there is inadequate published evidence to confirm any relationship between hEDS, POTS, and Mast Cell Activation Syndrome (MCAS) (Kohn and Chang 2019).…”