Threatened Abortion (Threat of Pregnancy Loss) Causes, Risk factors, Symptoms, Diagnosis, Treatment, Prevention


The threat of abortion can occur during the first 20 weeks of pregnancy and has vaginal bleeding that suggests an increased risk of losing the pregnancy. Threatened Abortion is performed to save the mother's life.


Bleeding early in pregnancy can originate from the uterus, cervix, or vagina, or it can come from outside the genitals. In many cases, the cause of the bleeding is due to a minor condition that does not require treatment. However, if you experience any vaginal bleeding during your pregnancy, particularly if it is associated with abdominal pain, you should consult your doctor. Possible causes of bleeding include:

Implantation of the embryo
Irritation (eg, after sex)
Spontaneous abortion
Ectopic pregnancy: the baby begins to develop outside the uterus, for example, in a fallopian tube
Molar pregnancy: usually benign formations of placental cells (trophoblasts) in the uterus that can spread to nearby tissues and become malignant

Risk factors

A risk factor is something that increases your chance of getting a disease or condition.

The threat of abortion is common; Approximately 20 to 30% of pregnancies are complicated by bleeding in the first 20 weeks. Approximately 10 to 15% of all confirmed pregnancies end in an abortion (loss). Some factors that are believed to increase the risk of threatened abortion are:

Some medications
Advanced maternal age


The main symptom of threatened abortion is bleeding during the first 20 weeks of pregnancy, with or without abdominal cramps. Bleeding can be light or heavy.


The doctor will ask about your symptoms and medical history, and perform a physical exam. Other tests may include:

Ultrasound: a test that uses sound waves to examine the body.
Fetal heart control-a procedure in which electrodes are placed over the abdomen to detect fetal heart rate (detectable at 8 to 10 weeks of pregnancy) and to determine the strength and duration of uterine contractions.
Blood test


Ask your doctor about the best treatment plan for you. Many cases of threatened abortion do not require any treatment. In other cases, treatment options include:

Rest in Bed

Your doctor may recommend bed rest if your bleeding is heavy. He can also give you instructions about limiting your activity.


The doctor may indicate the administration of progesterone, which is a female hormone that strengthens a pregnancy. You can also relax your uterus if you are experiencing a cramped uterus. Bufenin hydrochloride is another medication that can be used to relax your uterus.

Finally, if your blood is Rh-negative and your partner is Rh +, the doctor can tell you anti-D immunoglobulin. This will prevent the body from producing antibodies against your fetus' blood.

If you are diagnosed with a threatened abortion, follow the doctor's instructions.


There is usually no way to prevent a threatened abortion. But what you can do to increase your chance of having a healthy pregnancy includes:

Avoid alcohol, cigarettes, and illegal drugs
Limit caffeine intake
Control any clinical condition, such as diabetes or hypothyroidism
Talk to your doctor before taking medications to make sure you are safe during pregnancy
Diagnose and treat infections (eg, bacterial vaginosis, gonorrhea) as soon as possible
Avoid contact with toxins (eg, arsenic, lead, polyurethane, heavy metals, organic solvents)
Receive regular prenatal care

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