In women, a change in temperature is observed during the menstrual cycle:
- The day of ovulation is the lowest temperature in the cycle.
- After ovulation, the body temperature increases by about 0.5 ° C during the luteal phase.
- Then the temperature will decrease, if there has not been fertilization (meeting between an egg + spermatozoon).
The principle is to raise the body temperature every morning (before getting up at the same time) to establish what is called the temperature curve. By following this curve, it is possible to identify the fertile days of the woman: indeed, when the body temperature of the woman increases to 0.5 ° C, it means that the woman is in ovulation period.
But let's be clear: this method of contraception based on the analysis of changes in body temperature is unreliable. If you want an effective method of contraception, it is better to choose another solution: IUD, patch or contraceptive pill, etc.
Conversely, for women who want to become pregnant and have difficulty getting pregnant, analyzing temperature changes can help to know when to have sex, and when fertility would be most favorable.To find out more about the date of ovulation : read also our dossier Being pregnant: what is the most favorable period?
The maturation of the follicles
The ovulation that occurs every month, approximately every 28 days, is done through a very specific process at the ovarian level. In the ovaries, several follicles co-exist, but only one will be selected to become the mature follicle that will break during ovulation.
The follicle bursts on the 14th day of the cycle on average, under the effect of a sudden rise of FSH and LH hormones. It releases the matured oocyte that has become an egg that leaves the ovary to go to the corresponding tube (for possible fertilization with a spermatozoon).
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Regulation of menstrual cycles
The menstrual cycle is dependent on hormones: estrogen and progesterone secreted by the ovaries. These are the ones that regulate menstrual cycles, but you should know that the functioning of these ovarian hormones is itself under the control of hormones released by the brain, such as FSH or LH secreted by the pituitary, a small gland located at the base of the brain.
To better understand, an insight into the internal sexual organs of women:
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Read also :
> How to calculate the date of ovulation and the period of fertility?
> Symptoms of Menopause: Homeopathy Can Help
> Self-massage to relieve painful menstruation
> Premenstrual syndrome (PMS): symptoms and solutions