There is a little blood in the vagina. Differential diagnosis

The vagina is a very important part of the female body, but clinically many diseases occur in this area, especially some gynecological diseases, which will also be reflected in the vagina when it is convenient. Vaginal bleeding can cause many women to panic. When this happens, it is important to make a judgment based on the amount of vaginal bleeding. How to make a differential diagnosis if there is a little blood in the vagina?

1. Neonatal vaginal bleeding

Under the influence of large amounts of estrogen in the placenta, the female fetus's uterus and ovaries are affected to a certain extent, resulting in partially developed follicles and atretic follicles in the ovaries, and hyperplasia of the endometrium. In a small number of baby girls, due to the interruption of maternal estrogen supply after birth, the endometrium undergoes hormone withdrawal shedding, resulting in menstrual-like vaginal bleeding that disappears on its own after a few days and does not require treatment.

2. Bleeding related to contraceptive drugs

When taking contraceptives, vaginal bleeding, also known as breakthrough bleeding, occurs. Most of the time, it occurs after missing a pill. For a few women who have not missed a pill, vaginal bleeding is related to insufficient hormones. If bleeding occurs in the first half of the menstrual period, it is often due to insufficient estrogen, causing endometrial necrosis and exfoliation bleeding. If bleeding occurs in the second half, it is caused by insufficient progesterone. Bleeding caused by the use of contraceptives is mostly irregular spotting or increased menstrual flow and prolonged menstrual period.

3. Dysfunctional uterine bleeding

It often occurs during adolescence and menopause. The length of menstrual period varies, and the amount of blood can be several times the amount of menstrual blood and even cause shock. In contrast, the amount of blood can be continuous. Therefore, the ovarian function in both phases is unstable and most of the bleeding is anovulatory. Patients often experience a period of amenorrhea followed by uterine bleeding. Sometimes it starts with heavy or prolonged menstruation and then turns into irregular or persistent uterine bleeding. Sometimes bleeding can last for more than ten days or longer, and pelvic examination shows no lesions. The basal body temperature is monophasic; the endometrial biopsy shows proliferative endometrium or excessive hyperplasia, which can confirm the diagnosis.