How does the temperature fluctuate after ovulation period and cohabitation 7 days

After ovulation, the

ovary will form a structure called corpus luteum, which produces hormones that promote endometrial hyperplasia and preparation for pregnancy. However, sometimes the corpus luteum may not work properly, resulting in fluctuations in hormone levels, resulting in unstable temperature changes,

causing a rise and a fall

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. Hormone changes

The ovary releases progesterone after ovulation, which will lead to a rise in temperature, but the changes in hormone levels may not be constant, so the temperature may rise and fall.