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Health Information For Parents
Losing a pregnancy can be heartbreaking. And unfortunately, miscarriages are fairly common. On average, about 1 in 5 pregnancies will end in a miscarriage — usually in the first trimester.
In most cases, a miscarriage cannot be prevented because it is the result of a chromosomal abnormality or problem with the development of the fetus. Still, certain factors — such as age, smoking, drinking, and a history of miscarriage — put a woman at a higher risk for losing a pregnancy.
While miscarriages usually cannot be prevented, by taking care of yourself and following your health care provider’s recommendations, you can increase the chances that you and your baby will be healthy throughout the pregnancy.
A miscarriage is the loss of a pregnancy (the loss of an embryo or fetus before it’s developed enough to survive). This often happens even before a woman is aware that she is pregnant.
A miscarriage usually happens in the first 3 months of pregnancy, before 12 weeks’ gestation. A small fraction of pregnancy losses — happening in less than 1% of pregnancies — are called stillbirths, as they happen after 20 weeks of gestation.
Many women don’t even know that they’ve had a miscarriage (since they hadn’t known they were pregnant), thinking that it’s just a particularly heavy menstrual flow.
Some women experience cramping, spotting, heavier bleeding, abdominal pain, pelvic pain, weakness, or back pain. Spotting is often not a sign of a miscarriage; many women experience it early on in pregnancy. But just to be safe, if you have spotting or any of these other symptoms anytime during your pregnancy, talk with your doctor.
If you think you may have had a miscarriage, your doctor may use a number of terms to explain what has happened:
A stillbirth, which many experts define as the death of a baby after the 20th week of pregnancy, can happen before delivery or during labor or delivery. It is rare and happens in less than 1% of all births. A stillbirth also is sometimes referred to as intrauterine fetal death or antenatal death.
While there are some known risk factors for stillbirth (such as smoking, obesity, problems with the placenta, a pregnancy lasting longer than 42 weeks, and some infections), there is no way to predict when stillbirth will happen or who will have one, and the cause of many stillbirths remains unknown.
The common sign of a stillbirth is decreased movement in the baby. If you notice your baby moving less than usual, call your doctor immediately.
Your doctor can use an ultrasound to look for the heartbeat or, later in pregnancy, give you an electronic fetal non-stress test. This involves lying on your back with electronic monitors attached to your abdomen. The monitors record the baby’s heart rate, movements, and contractions of the uterus.
The most common cause of pregnancy loss is a problem with the chromosomes that would make it impossible for the fetus to develop normally.
Other factors that could contribute to a miscarriage include:
Certain behaviors also increase the risk of a miscarriage. Smoking, for example, puts nicotine and other chemicals into the bloodstream, causes the fetus to get less oxygen, and increases the chance of losing a pregnancy. Alcohol and illegal drug use also can lead to miscarriages.
If you have miscarried, your doctor will do a pelvic exam and an ultrasound to confirm the miscarriage. If the uterus is clear of any fetal tissue, or it is very early in the pregnancy, then there often won’t be any more treatment.
But if the uterus still contains the fetus or other tissues from the pregnancy, this will need to be removed. The doctor may give you medicine to help pass the tissue or may need to dilate the cervix to perform a dilation and curettage (D&C), a scraping of the uterine lining, or a dilation and extraction (D&E), a suction of the uterus to remove fetal or placental tissue. You may have bleeding or cramping after these procedures, which are done with anesthesia.
If it is determined that your baby has died later in pregnancy, the doctor might decide to induce labor and delivery. After the delivery, the doctor will have the baby and the placenta examined to help determine the cause of death if it’s still unknown.
If you’ve had several miscarriages, you may want to be evaluated to see if any anatomic, genetic, or hormonal abnormalities are contributing to the miscarriages.
Although miscarriages usually can’t be prevented, you can take precautions to increase your chances of having a healthy pregnancy:
If you’ve had a miscarriage, it’s important to take time to grieve. The loss of a baby during pregnancy is like the loss of any loved one. Give yourself time to heal emotionally and physically. Some health care providers recommend that women wait one menstrual cycle or more before trying to get pregnant again to give their bodies and psyches time to heal.
Some other things that can help you get through this difficult time:
During future pregnancies, it can help to:
Genetic counselors work with people who are either planning to have a baby or are pregnant to determine whether they carry the genes for certain inherited disorders. Find out more.
In an ectopic pregnancy, a fertilized egg has implanted outside the uterus, usually in the fallopian tubes. If undiagnosed, as the pregnancy grows, it can burst the organ that contains it and endanger the mother’s life.
What should women who are planning a pregnancy do before they conceive? Find out here.
Learning about the female reproductive system, what it does, and the problems that can affect it can help you better understand your daughter’s reproductive health.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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