Missed Period: Should I Wait to Test for Pregnancy or See a Doctor?

Menstruation is delayed by six days, and a pregnancy test taken 12 days after intercourse is negative?

Hello Doctor: My last menstrual period was on July 9, with a cycle of 29 days, occasionally arriving a day early or two days late.
I had unprotected intercourse on July 30 and 31, and I was supposed to get my period on August 7, but it is now six days late.
My areolas have enlarged, and I am a bit anxious.
I took a pregnancy test today, August 12, and it was negative.
I am still worried because my menstrual cycle is usually very regular, and I have researched a lot about this, considering possible sources of stress.
Could I be pregnant? Should I wait another 18 days after intercourse to test again, or should I go directly to a gynecologist for confirmation? Thank you.

Ab, 20~29 year old female. Ask Date: 2019/08/12

Dr. Huang Jianzhong reply Obstetrics and Gynecology

The last menstrual period was on July 9, with a cycle length of 29 days, occasionally being a day early or two days late.
Engaged in unprotected intercourse on July 30 and 31.
The next expected period should have been on August 7, but it is now six days late.
The areolas have enlarged, causing some anxiety.
Today, on August 12, a pregnancy test was taken, which was negative.
There is still some concern because the menstrual cycle is usually very regular.
I have researched a lot and considered potential sources of stress.
Could I be pregnant? Should I wait another 18 days after intercourse to test again, or should I consult a gynecologist for confirmation? It is recommended to wait another 18 days after intercourse to test again.

Reply Date: 2019/08/12

More Info

When it comes to missed periods and the possibility of pregnancy, it's important to approach the situation with both caution and clarity. Based on your description, your last menstrual period was on July 9, and you have a regular cycle of about 29 days. Given that your period was due on August 7 and is now six days late, it's understandable that you are feeling anxious about the possibility of being pregnant, especially since you have experienced changes such as breast tenderness and enlargement of the areolas.

First and foremost, it's important to note that a missed period can be caused by a variety of factors, not just pregnancy. Stress, hormonal imbalances, changes in weight, and even illness can all affect your menstrual cycle. Since you mentioned that you have been under some stress, this could potentially be a contributing factor to your late period.

Regarding your pregnancy test on August 12, it is possible that you may have tested too early. Most home pregnancy tests are designed to detect the hormone hCG (human chorionic gonadotropin) in your urine, which typically becomes detectable about 10-14 days after conception. Since you had unprotected intercourse on July 30 and 31, it is advisable to wait at least until August 14 or 15 to retest, as this would provide a more accurate result.

If you continue to experience a missed period and your subsequent pregnancy tests remain negative, it would be wise to consult with a healthcare provider. A doctor can perform a more sensitive blood test to check for pregnancy and evaluate any underlying issues that may be affecting your menstrual cycle. Additionally, they can provide guidance on managing stress and any other factors that may be contributing to your situation.

In summary, while it is possible that you could be pregnant given the timing of your sexual activity, there are also many other reasons for a missed period. If your next test is still negative and your period does not arrive, seeking medical advice is the best course of action. This will not only help clarify your situation but also ensure that you receive appropriate care and support for your reproductive health. Remember, it's always better to err on the side of caution when it comes to your health.

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