Pregnancy issues
Hello! I would like to inquire about my last menstrual period, which ended on May 25th, and my last sexual intercourse, which was on June 18th.
My menstrual cycle is usually regular, occurring around the 21st, but it hasn't arrived this month.
I went to the hospital for a check-up, and the doctor confirmed that I am not pregnant.
I also used a home pregnancy test, which also showed negative results.
Could you please tell me: what is the likelihood of pregnancy? (There was no protection used, and there was no ejaculation inside.) How long should I wait before going back to the hospital for another check-up?
Xiao You, 10~19 year old female. Ask Date: 2016/06/24
Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, a pregnancy test is usually accurate only after 12 days of conception.
The chances of pregnancy are low, so it's best to use contraceptive measures beforehand.
If your period does not arrive after another week, it is advisable to see a gynecologist.
Wishing you good health.
Reply Date: 2016/06/24
More Info
When it comes to understanding pregnancy chances and when to seek medical advice, it's essential to consider several factors, including the timing of your menstrual cycle, the timing of sexual intercourse, and the results of pregnancy tests.
Based on the information you provided, your last menstrual period (LMP) ended on May 25, and you had unprotected intercourse on June 18. Your menstrual cycle typically runs from the 21st of each month, which means that you would expect your next period around June 21. Since you mentioned that your period has not arrived yet, it is understandable that you are concerned about the possibility of pregnancy.
The timing of ovulation is crucial in determining the likelihood of conception. Ovulation typically occurs about 14 days before the start of your next period. If your cycle is regular and you ovulate around June 7 (which is approximately 14 days after your last period), then intercourse on June 18 would be outside of your fertile window. However, if your cycle is irregular or if you ovulate later than expected, there could still be a chance of pregnancy.
You mentioned that you have already visited a doctor and received a negative pregnancy test result. Home pregnancy tests are generally reliable when used correctly, especially if taken after a missed period. If both the doctor's examination and the home test indicated that you are not pregnant, the chances of pregnancy are likely low.
However, if your period does not arrive within a week or two after your expected date, it would be advisable to seek medical advice again. There could be other reasons for a missed period, such as stress, hormonal imbalances, or other medical conditions that may require attention.
In summary, based on your timeline and the negative pregnancy tests, it seems that the likelihood of pregnancy is low. If your period does not come within a week or two, or if you experience any unusual symptoms (such as severe pain or heavy bleeding), it would be wise to consult a healthcare provider for further evaluation. They may recommend additional tests or examinations to determine the cause of your missed period and ensure that everything is functioning normally.
In the meantime, it's essential to maintain a healthy lifestyle, manage stress, and keep track of your menstrual cycle. If you are planning to conceive in the future, consider discussing preconception care with your healthcare provider, which can include taking prenatal vitamins, managing any existing health conditions, and understanding your menstrual cycle better.
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