Vaginal Secretion is a fluid that comes out from the vagina. It is produced by special glands inside the walls of the vagina and is discharged through its opening. It serves many functions such as cleaning and moistening the vagina, protecting it against bacteria and yeast infections, and facilitating sexual activity. However, vaginal secretions also change throughout a woman's menstrual cycle due to hormonal fluctuations. In this article, we will discuss what these changes are like.
The menstrual cycle lasts between 21-40 days and consists of three phases: the follicular phase, ovulation phase, and luteal phase. During each phase, different types of hormones are released into the body, which affect the production and consistency of vaginal secretions. The following table summarizes how the hormone levels change during each phase.
Hormone Follicular Phase Ovulatory Phase Luteal Phase
Estrogen Lowest Highest Lowest
Progesterone Undetectable Peaks after ovulation Slightly increases
LH Rises Sharply Rises sharply Gradually rises then plateaus
FSH Stays low Stays low or slightly raises Stays high throughout the luteal phase
During the first half of the menstrual cycle (follicular phase), estrogen levels are at their lowest point, while progesterone and LH are undetectable or low. FSH remains low during this time. As a result, the vagina produces less mucus than usual. This mucus is thick and cloudy, making it harder for sperm to swim through. It may even feel dry or uncomfortable in some women.
In contrast, during the second part of the menstrual cycle (ovulatory phase), estrogen and LH rise rapidly, stimulating egg growth in the ovaries. Progesterone also peaks around this time, preparing the uterine lining for possible pregnancy. In response, the vagina produces more mucus, but it becomes thinner and clear, allowing sperm to easily reach the cervix. It may also become slippery, which makes sexual intercourse easier.
Finally, during the third phase (luteal phase), estrogen, progesterone, and LH gradually decline. The uterine lining sheds if there has been no fertilization, resulting in menstruation. During this period, the vaginal secretions decrease, becoming thin and watery again.
The changes in vaginal secretions during the menstrual cycle are normal and healthy. However, there can be several reasons why they may change beyond this range, such as bacterial or yeast infections, sexually transmitted infections, pregnancy, birth control pills, stress, or certain medical conditions. If you notice any unusual discharge that persists over time, consult your gynecologist for a diagnosis and treatment.
In conclusion, vaginal secretions vary in consistency throughout the menstrual cycle due to hormonal fluctuations. They become thick and cloudy before ovulation, thin and clear during ovulation, and thin and watery afterward. Understanding these changes can help women better manage their reproductive health and plan for sexual activity accordingly.