Causes of Bleeding During Pregnancy

Rachel Adams
8 Min Read


Pregnancy can cause worries and doubts. One such sign that can cause worry and concern in pregnant women is bleeding during pregnancy. We will find the causes, diagnosis, and available treatments for bleeding during pregnancy in this post.

Understanding Bleeding During Pregnancy

Any vaginal bleeding that occurs throughout pregnancy, from conception to delivery, is referred to as Bleeding during pregnancy. It is important to understand that not all incidents of bleeding represent a major problem. Even though they can range from moderate spotting to severe bleeding. The majority of normal bleeding during pregnancy has harmless origins and ends happily. But in order to rule out any difficulties and guarantee the mother’s and the child’s safety. It is necessary that any bleeding incidents are looked at closely.

Causes of Bleeding During Pregnancy

There are many reasons for bleeding during pregnancy and they are:

  • Implantation Bleeding:

Usually 6–12 days after conception, implantation bleeding happens when the fertilized egg inserts itself into the uterine lining. This small bleeding, which is typically accompanied by slight cramps, is sometimes confused for a short menstruation. Early pregnancy is a common and normal occurrence for implantation bleeding, which rarely causes concern.

  • Hormonal Changes: 

The body experiences significant hormonal changes during pregnancy, which can occasionally result in vaginal bleeding. The uterine lining may shed because of changes in estrogen and progesterone levels. That may cause minor spotting or bleeding. Early in pregnancy, hormonal bleeding usually occurs and is moderate and temporary.

  • Cervical Changes:

The cervix changes physiologically during pregnancy in order to get ready for childbirth. The cervix may become more sensitive and prone to bleeding because of increased blood flow. Especially after sexual activity or a pelvic check. Although cervical bleeding is usually minimal and self-limiting. It’s important to let your doctor know if you have any vaginal bleeding.

  • Miscarriage:

The term “miscarriage” refers to the unplanned termination of a pregnancy before the twentieth week of gestation. Abdominal cramps, vaginal bleeding, and the expulsion of tissue or clots from the uterus are its defining features. Genetic disorders, hormone imbalances, maternal health issues, and abnormalities in the uterus can all result in miscarriage. Even though a miscarriage might be emotionally upsetting. It’s important to keep in mind that the mother’s actions are typically not the cause.

  • Ectopic Pregnancy:

When a fertilized egg implants outside the uterus, usually in the fallopian tube, it results in an ectopic pregnancy. Along with shoulder and abdominal pain, ectopic pregnancy might result in vaginal bleeding, lightheadedness, or fainting. This is a medical emergency that needs treatment right away to avoid serious consequences including internal bleeding and damage.

  • Placental Problems: 

Fevers that occur in the second or third trimester may be sign of placental issues, like abruption or placenta previa. Placenta previa is a condition in which placenta covers cervix entirely or partially, causing vaginal bleeding that is painless. Premature placental damage from the uterine wall causes placental abruption, which is characterized by sudden, intense stomach discomfort and bleeding. To avoid difficulties for both the mother and the fetus, both situations require immediate medical attention.

Causes of Bleeding During Pregnancy

Diagnosis of Bleeding During Pregnancy

Healthcare professionals use thorough process to assess heavy bleeding during pregnancy. So that they can identify source and extent of the bleeding. Some of the diagnostic techniques are:

  • History and Physical Examination:

Your medical history, including prior pregnancies, difficulties, and details of current bleeding episode, will get reviewed by your healthcare professional. A pelvic examination to check for abnormalities or symptoms of bleeding in the uterus and cervix.

  • Ultrasound: 

One useful technique to check the condition and progress of the pregnancy is ultrasound imaging. Transvaginal ultrasound enables medical professionals to detect potential causes of bleeding, such as miscarriage, ectopic pregnancy, or placental abnormalities. By providing precise images of the uterus, cervix, and fetal tissues.

  • Blood Tests:

Pregnancy hormone (hCG) levels, blood type, Rh factor, and symptoms of infection, clotting issues can get determined by blood testing. These tests help medical professionals in identifying the underlying reason for bleeding and evaluating the mother’s and infant’s general health.

  • Fetal Monitoring:

To determine the baby’s health in situations of severe vaginal bleeding, fetal monitoring can get carried out. To assess fetal health and identify indications of discomfort/compromise. Non-stress testing, biophysical profiles, and fetal heart rate monitoring are frequently utilized.

Treatment of Bleeding During Pregnancy

The underlying reason, intensity of symptoms, gestational age, and health of the mother and fetus. All of those factors, influence how to manage and treat bleeding during pregnancy. Treatment options may include:


Medication may get recommended to treat underlying disorders or relieve symptoms, depending on the source of the bleeding. Antibiotics, for instance, might be given to treat infections. Whereas drugs to regulate blood pressure or stop premature labor might get suggested to address placental abnormalities.

Bed Rest:

In some cases, medical professionals could advise bed rest, decrease in activity to reduce chances of problems of more bleeding. Bed rest may get advised for women who are at risk of miscarriage, placental issues, or preterm labor.

Surgical treatments: 

To control bleeding during pregnancy, surgical treatments may get required in some circumstances. Dilation and curettage (D&C) for incomplete miscarriages, cerclage implantation for cervical incompetence. And cesarean birth for placental abnormalities or disturbed fetus, are among the surgical procedures available. These operations require close observation and post-operative care and are carried out in a hospital environment under anesthesia.

Supportive Care:

Being pregnant may be a difficult and emotional period, particularly if there are issues. Pregnant women who are bleeding must obtain enough help and advice from medical professionals, relatives, and support groups. During this challenging time, women can benefit from emotional support, knowledge, and resources to help them manage stress, anxiety, and uncertainty.


Bleeding during pregnancy is a common and frequently upsetting sign that can make pregnant moms feel uneasy. Women who are aware of its causes, signs, diagnosis, and available treatments can better empower themselves to make educated decisions.

Q1: During pregnancy what are the 2 main reasons for bleeding?

Ans: Cervical changes, Miscarriage

Q2: Can bleeding in pregnancy harm the baby?

Ans: No     

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Rachel Adams, is an expert on women's health. Her work at is aimed in helping women understand their bodies better through easy-to-read articles and blogs. With Rachel, you get an advice that you can trust. In women's health topics, she covers everything from pregnancy tips to staying healthy after childbirth. Her writing style is clear and friendly, making even the complex topics easy to understand. Rachel's mission is to empower women with the knowledge they need to make smart choices about their health. Whether you're expecting a baby or just want to feel your best, Rachel's articles are here to guide you through every step of your decisions
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