What are the causes of vaginal bleeding in pregnant women?

What are the causes of vaginal bleeding in pregnant women?

After becoming pregnant, a pregnant woman will not have menstruation, which means that there will be no vaginal bleeding. However, in life, many pregnant women will experience vaginal bleeding. Since the cause is unclear, they will be very nervous when this happens. So, what are the causes of vaginal bleeding in pregnant women? Let’s take a closer look below.

1. Implantation bleeding. You may have light vaginal bleeding for a day or two while the fertilized egg implants in the wall of your uterus. Implantation of the fertilized egg occurs 6 to 7 days, or even about 10 days after fertilization, so at this time you may not even know that you are pregnant.

2. Miscarriage or ectopic pregnancy (ectopic pregnancy). Light spotting or vaginal bleeding may be a sign of miscarriage or ectopic pregnancy, especially if it is accompanied by abdominal pain or cramping. Vaginal bleeding can also be a sign of a molar pregnancy. A hydatidiform mole is a relatively rare condition in which villous edema develops because the fertilized egg is malformed and the embryo is unable to develop or survive.

About 1/4 of pregnant women will experience varying degrees of vaginal bleeding in early pregnancy, and about half of them will eventually miscarry. However, if an ultrasound examination between weeks 7 and 11 of pregnancy shows that the baby has a normal heartbeat, your chances of continuing the pregnancy will be higher than 90%.

3. Infection. Minor bleeding can also be caused by other conditions. For example, a vaginal infection (such as candidal infection, commonly known as "fungal or bacterial vaginitis") or a sexually transmitted infection (such as trichomoniasis, gonorrhea, chlamydia, or herpes) can infect and inflame your vagina and cervix. Inflamed tissue can cause small amounts of bleeding after a cervical smear test, vaginal examination, or sexual intercourse. If you have cervical polyps (benign), you may also experience light bleeding or vaginal bleeding after a Pap smear test, sexual intercourse, or a bowel movement.

4. Placental problems or premature birth. Vaginal bleeding or spotting during the second or third trimester may be a sign of a more serious condition, such as placenta previa, placental abruption (the placenta separates from the uterine wall before the baby is delivered), late miscarriage (before 13 to 28 weeks of pregnancy), or premature birth (before 28 to 37 weeks of pregnancy).

The above is an introduction to the causes of vaginal bleeding in pregnant women. I hope it will help women understand it. There are many factors that cause vaginal bleeding in women, many of which are quite serious. When it occurs, you must go to a regular hospital in time to find the cause and actively solve it to avoid causing greater harm to our health.

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