Page 319 - كتاب تمريض نسا الاكتروني
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3. This method is based on the fact that the basal body temperature Lower during
the first 2 weeks of the menstrual cycle, before ovulation.
4. Immediately after ovulation, corpus luteum progesterone raises BBT by 0.2 -
0.4°C and maintained until the next menstruation.
5. The rise in temperature indicates that progesterone has been released into the
system.
6. It also means that the patient has ovulated.
7. Just before the day of ovulation, a patient's BBT falls about 1°C.
8. At the time of ovulation, the BBT rises a full degree because of progesterone
influence.
9. The couples have safe unprotected intercourse from the 3rd day after
temperature rise until the beginning of the next period.
10. To use the BBT method of contraception the woman records her temperature
daily at basal condition (in the early morning,
→ just after a walking
→ before any physical activities
→ by oral or rectal route in a special chart through the cycle.
11. BBT method can be affected by many variables, which may lead to mistaken
interpretations of a fertile day as a safe day such as illness, activity, stress,
hydration, and emotions.
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