Missed Period for Over Two Months: Pregnancy and Ultrasound Results

Menstruation has not occurred?

If you haven't had your period for over two months and the pregnancy test showed two lines, but then your period came, it is possible that you experienced a very early miscarriage.
An ultrasound at a clinic may help determine if there was a pregnancy and if any tissue remains.
It is advisable to consult with a healthcare provider for further evaluation and guidance.

An, 20~29 year old female. Ask Date: 2023/05/14

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, based on your description, I recommend that you consult an obstetrician-gynecologist to arrange for urine tests, ultrasound, or blood tests to determine whether it is a miscarriage, ectopic pregnancy, or threatened miscarriage, among other possibilities.
Thank you! Wishing you safety and health.
Dr.
Zhang

Reply Date: 2023/05/14

More Info

When a person experiences a missed period for over two months and subsequently receives a positive pregnancy test, it can be a confusing and concerning situation. The presence of two lines on a pregnancy test typically indicates that the hormone human chorionic gonadotropin (hCG) is present in the urine, which is a sign of pregnancy. However, if menstruation resumes after a positive test, it raises questions about the status of the pregnancy.

In cases where a positive pregnancy test is followed by the onset of menstruation, it is possible that a very early pregnancy occurred but did not progress, leading to what is often referred to as a "chemical pregnancy." This term describes a situation where a fertilized egg implants in the uterus and produces hCG, but for various reasons, the pregnancy does not develop further, resulting in a miscarriage that may present as a normal menstrual period.

Regarding the ultrasound examination, it is important to note that the timing of the ultrasound is crucial. If the ultrasound is performed shortly after the positive pregnancy test and before the expected date of a missed period, it may not show any signs of pregnancy, such as a gestational sac or fetal pole, especially if the pregnancy was very early. Typically, a gestational sac can be seen on ultrasound around 4 to 5 weeks of gestation, and a fetal pole may be visible around 6 weeks. If the ultrasound is conducted after the onset of bleeding, it may show signs of a miscarriage, such as an empty gestational sac or retained products of conception.

If you are experiencing these symptoms, it is essential to follow up with a healthcare provider. They may recommend a transvaginal ultrasound, which can provide clearer images of the uterus and any potential pregnancy-related changes. Additionally, blood tests to measure hCG levels can help determine whether the hormone levels are rising or falling, which can indicate whether the pregnancy is ongoing or has ended.

In summary, a missed period followed by a positive pregnancy test and then the return of menstruation can indicate a very early pregnancy that did not progress. An ultrasound can provide further insights, but the timing of the ultrasound is critical. If you have concerns about your reproductive health or the status of a potential pregnancy, it is advisable to consult with a healthcare professional who can provide personalized guidance and support.

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