Early Pregnancy Tests: When to See Your OB-GYN - Obstetrics and Gynecology

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Hello, my last menstrual period was from March 15 to 20.
This month, my period is about four days late.
Today, on April 18, I used a pregnancy test and got two lines.
Should I go to the obstetrics and gynecology department now to check, or would it be better to wait a few weeks?

Ting Ting, 20~29 year old female. Ask Date: 2019/04/18

Dr. Huang Jianzhong reply Obstetrics and Gynecology


The last menstrual period was from March 15 to 20, and this month's period is approximately four days late.
Today, April 18, a pregnancy test showed two lines.
Should I go to the obstetrics and gynecology department now, or would it be better to wait a few weeks? Answer: It would be better to wait a few weeks before going.

Reply Date: 2019/04/18

More Info


When it comes to early pregnancy testing and determining the right time to see your OB-GYN, there are several factors to consider. Based on your last menstrual period (LMP) from March 15 to March 20, and the fact that your period is about four days late as of April 18, it is reasonable to suspect that you may be pregnant, especially since you received a positive result on your home pregnancy test.

1. Timing of Pregnancy Tests: Home pregnancy tests (HPTs) are designed to detect the hormone human chorionic gonadotropin (hCG), which is produced shortly after a fertilized egg attaches to the uterine lining. Generally, the best time to take a pregnancy test is after your missed period, as this allows for the hCG levels to rise sufficiently for detection. Since your period is already late, testing now is appropriate. However, if the test line is faint, it could indicate that your hCG levels are still low, which is common in very early pregnancy.

2. When to See Your OB-GYN: If you have a positive pregnancy test, it is advisable to schedule an appointment with your OB-GYN. Typically, most healthcare providers recommend scheduling your first prenatal visit around 8 weeks of pregnancy. This timing allows for a more accurate assessment of the pregnancy via ultrasound and blood tests. However, if you have any concerns, such as abnormal bleeding, severe cramping, or other unusual symptoms, you should contact your healthcare provider sooner.

3. Understanding Early Symptoms: In early pregnancy, some women experience symptoms such as fatigue, nausea, breast tenderness, and increased urination. These symptoms can also overlap with premenstrual syndrome (PMS), making it sometimes challenging to distinguish between the two. If you are experiencing any unusual symptoms or have concerns about your health, it is always best to consult with your OB-GYN for personalized advice.

4. Faint Lines on Pregnancy Tests: A faint line on a pregnancy test can be confusing. It may indicate that you are indeed pregnant, but the hCG levels are still low. If you receive a faint positive, consider retesting in a few days to see if the line becomes darker, which would indicate rising hCG levels. Alternatively, a blood test at your doctor's office can provide a more definitive answer.

5. Importance of Early Prenatal Care: Early prenatal care is crucial for monitoring the health of both you and your developing baby. Your OB-GYN will likely perform a series of tests, including blood tests to check hCG levels, a pelvic exam, and possibly an ultrasound to confirm the pregnancy and check for any potential issues.

In summary, since your period is late and you have received a positive pregnancy test, it is a good idea to schedule an appointment with your OB-GYN. They can provide you with the necessary care and guidance as you begin this new chapter. Remember, early prenatal care is essential for a healthy pregnancy, so don't hesitate to reach out to your healthcare provider with any questions or concerns you may have.

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