Final answer:
The increase in temperature during the menstrual cycle by 0.5-1.0 degrees Fahrenheit during ovulation due to progesterone is true. This rise in temperature is associated with the luteal phase after ovulation. Basal body temperature tracking can help indicate when ovulation has occurred.
Step-by-step explanation:
The statement that temperature during the menstrual cycle increases by 0.5-1.0 degrees Fahrenheit during ovulation and remains elevated until menstruation ceases is true. This temperature change is due to progesterone secretion after ovulation. The luteal phase, which follows ovulation, is characterized by an increase in progesterone which prepares the endometrium for potential implantation of a fertilized egg. If implantation does not occur, progesterone levels fall, leading to menstruation.
During the first part of the menstrual cycle, known as the follicular phase, levels of follicle-stimulating hormone (FSH), luteinizing hormone (LH), and estrogen rise leading up to ovulation. Progesterone levels rise during the luteal phase, which occurs after ovulation, and contribute to the increase in basal body temperature.
Basal body temperature is commonly tracked as an indicator of ovulation, using a highly sensitive thermometer each morning before any activity. It's important to note that once the rise in temperature is detected, ovulation has already occurred, which may be too late for contraception purposes. Progesterone maintains the higher basal body temperature until it drops again with the onset of menstruation.