Testing for uterine problems may also be recommended. But staying healthy while trying to conceive — and while pregnant — is definitely the best approach. By the end of week 12, your chances of miscarriage drop considerably. Wellness Articles. Experiencing spotting or bleeding during your first trimester? Potential causes of bleeding during the first trimester You may experience some spotting when you expect to get your period.
An ectopic pregnancy is less common than a miscarriage. It happens in up to 2. A baby can only grow and develop in the womb, so ectopic pregnancies have to be medically treated. Another cause of bleeding in your first trimester is a molar pregnancy. This rare but serious complication happens in almost 1 in every 1, pregnancies. The fetus may not grow at all. A molar pregnancy can cause a miscarriage in the first trimester.
Subchorionic hemorrhage , or hematoma, is bleeding that happens when the placenta slightly detaches from the wall of the womb. A sac forms in the gap between the two.
Subchorionic hemorrhages vary in size. Smaller ones are the most common. Larger ones cause heavier bleeding. Many, many women have hematomas and go on to have healthy pregnancies. But a large subchorionic hemorrhage may also increase the risk of a miscarriage in the first 20 weeks of pregnancy.
Bleeding in the first trimester might have nothing to do with your pregnancy at all. An infection in your pelvic area or in the bladder or urinary tract can also cause spotting or bleeding. They may be caused by bacteria, viruses, or fungi. A serious yeast infection or inflammation vaginitis can also cause bleeding. Infections typically cause spotting or light bleeding that is pink to red in color. You may have other symptoms like:. Bleeding in the second or third trimester of your pregnancy is normally more serious than first trimester light bleeding.
Let your doctor know if you experience any kind of bleeding during pregnancy. Get immediate medical care if you have any of these symptoms :.
A quick examination can usually tell your doctor what is causing your bleeding. You may need:. They may ask you about other symptoms along with spotting, such as cramping or a fever. If you experience bleeding in your second or third trimester, let your doctor know right away or seek emergency medical care. According to the American College of Obstetricians and Gynecologists , about 15 to 20 percent of pregnant people experience bleeding in the first trimester.
In a study of 4, pregnant women, about 1 in 4 experienced bleeding during the first trimester. The study found that spotting was most commonly seen in the sixth and seventh weeks of pregnancy. Spotting during the first 12 weeks of pregnancy may be attributed to:. Implantation bleeding occurs 6 to 12 days following conception. Implantation bleeding is usually light pink to dark brown. An ectopic pregnancy is a medical emergency. It occurs when the fertilized egg attaches itself outside the uterus.
Light to heavy vaginal spotting or bleeding can be a symptom of an ectopic pregnancy. Most miscarriages occur in the first 13 weeks of pregnancy. You should still call your doctor, though, so they may rule out ectopic pregnancy or another complication.
Your doctor will likely do two or more blood tests to check your pregnancy hormone levels. This hormone is called human chorionic gonadotropin hCG. The tests will be 24 to 48 hours apart. A decline in hCG levels indicates a pregnancy loss. In some people, changes to the cervix can cause mild spotting. Other times, hormonal changes may be responsible. They can rule out more serious causes and put your mind at ease.
Light bleeding or spotting during the second trimester may be caused by irritation to the cervix, usually after sex or a cervical exam. This is common and not usually cause for concern. An ectopic pregnancy is when a fertilised egg implants outside the womb — for example, in the fallopian tube.
It can cause bleeding and is dangerous because the fertilised egg can't develop properly outside the womb. The egg has to be removed, which can be done through an operation or with medicines.
Symptoms of an ectopic pregnancy tend to develop in the 6th week of pregnancy but can happen later. This is when the plug of mucus that has been in the cervix during pregnancy comes away, signalling that the cervix is getting ready for labour to start. It may happen a few days before contractions start or during labour itself.
Find out about the signs of labour and what happens in labour. This is a serious condition in which the placenta starts to come away from the womb wall. Placental abruption usually causes stomach pain, and this may occur even if there is no bleeding. This is when the placenta is attached in the lower part of the womb, near to or covering the cervix. Bleeding from a low-lying placenta can be very heavy, and put you and your baby at risk. You may be advised to go into hospital for emergency treatment, and a caesarean section will usually be recommended.
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