👉 Hypogynies, also known as low basal body temperature (LBT), are a condition characterized by a low body temperature that is consistently less than 36.5°F or 0°C. This can occur in adults and children, and it may be caused by various factors such as illness, pregnancy, fever, medication, or even physical trauma. In general, hypogynies are more common in women, especially during pregnancy and menopause. They can also occur in people