Can You Test Positive for Pregnancy After a Miscarriage? - Obstetrics and Gynecology

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If a miscarriage occurs, will a pregnancy test still show positive results?


Hello, Doctor: I would like to ask how to differentiate between a natural miscarriage in early pregnancy and a menstrual period.
If it is a natural miscarriage in early pregnancy, will a pregnancy test taken one or two days after the bleeding be positive or negative? My last menstrual period was on April 7, and I planned to conceive around April 25-26, estimating ovulation occurred around that time.
My period was expected around April 11, but it did not arrive until April 17.
Just as I was planning to take a pregnancy test, I suddenly experienced heavy bleeding on April 18, which resembled a menstrual period but felt somewhat different.
I am uncertain whether the bleeding was my menstrual period or a natural miscarriage due to early pregnancy instability.
Doctor, if it is a natural miscarriage with heavy bleeding in early pregnancy, will the pregnancy test at that moment still be positive? Or will it already be negative due to the bleeding? If there is heavy bleeding in early pregnancy, is there a possibility of saving the baby if I seek medical attention? Thank you for your clarification.

An, 30~39 year old female. Ask Date: 2023/05/26

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, if it is an early natural miscarriage, the pregnancy test may still show a positive result.
However, it is recommended to see a gynecologist for an examination.
Wishing you good health.

Reply Date: 2023/05/26

More Info


When it comes to distinguishing between a natural miscarriage and a regular menstrual period, especially in the early stages of pregnancy, it can be quite challenging. The symptoms and experiences can often overlap, leading to confusion.
In your case, you mentioned that your last menstrual period was on April 7, and you had unprotected intercourse around your estimated ovulation period. If you were pregnant, you would typically expect to see a positive pregnancy test around the time your period was due, which you indicated was around April 11. However, you experienced significant bleeding on April 18, which raises questions about whether this was a miscarriage or just a late period.

To answer your question about whether a pregnancy test would show positive or negative after a miscarriage: Generally, if a miscarriage occurs, the pregnancy hormone hCG (human chorionic gonadotropin) levels begin to drop. If you were to take a pregnancy test shortly after experiencing a miscarriage, the result could vary. If the miscarriage has just occurred, there might still be enough hCG in your system to yield a positive result. However, if enough time has passed and the hormone levels have decreased significantly, the test could return a negative result.

In the case of a natural miscarriage, the bleeding can sometimes resemble a heavy menstrual period, but there may be additional signs such as cramping, passing of tissue, or clots. If you experience heavy bleeding and suspect a miscarriage, it is crucial to seek medical attention. A healthcare provider can perform an ultrasound and blood tests to determine if there is any remaining tissue in the uterus and to check your hCG levels.

Regarding your concern about whether medical intervention can help preserve the pregnancy after experiencing heavy bleeding: It largely depends on the circumstances. If the bleeding is indeed a sign of a miscarriage, the chances of saving the pregnancy are typically low. However, if the bleeding is due to other factors, such as implantation bleeding or a threatened miscarriage, there may be interventions that can help. For instance, medications like progesterone can sometimes be prescribed to support the pregnancy if there are signs of instability.

In summary, if you experience significant bleeding and suspect a miscarriage, it is essential to consult with a healthcare provider as soon as possible. They can provide the necessary tests and evaluations to clarify your situation and guide you on the next steps. Remember, early medical intervention can be crucial in managing any complications and ensuring your health and well-being.

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