Doctor insights on:
Positive Pregnancy Test After Conception
No: That would be much too soon, if we define conception as the moment the sperm meets the egg, leading to successful implantation of the embryo in the uterus. The home pregnancy test detects HCG in the urine, which means the HCG is coming from the location of the implanted embryo in the uterus. This means test is positive some time after implantation. ...Read more
When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more
Yes: A urine pregnancy test done correctly gives a reliable result 3 weeks after sex (3 weeks after when conception might have happened) or 1 week after missing a period. If done sooner, a positive result is likely real, but a negative result may be due to testing too soon, and therefore lead to a repeat test. If a woman has her normal regular period, then she is not pregnant, and a test is not needed. ...Read more
Pregnancy Testing: Yes. Of course. Especially if you have not missed a period yet. ...Read more
Too early to tell.: Implantation occurs about 9 days after fertilization. This is usually a bit before your next cycle is to start. Preg test usually turns positive a week or even later after implantation. If your cycle is more than 5 days late then the test is usually positive. No one can tell you exactly what day it turns positive on. Exactly when you ovulated, fertilized and implanted are all estimates. ...Read more
Wait until due: Home pregnancy tests are not useful until perhaps a day or two before the period is due. Most implantation does not cause bleeding and most bleeding in the last half of the cycle is not from implantation. No matter how badly you want to know, there is no reason to check a pregnancy test before it is time. ...Read more
Take a test : Don't guess. Take a test. In today's world you do not need to wonder if you are pregnant or not based on symptoms. Pregnancy tests are available at any pharmacy and in minutes you will have your answer. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. ...Read more
Can decidual bleeding during early pregnancy give you a false negative pregnancy test after having tested positive?
No and Yes: No, a pregnancy test won't show a real positive 72 hours after conception, because there is no bHCG from the embryo in the mother's blood or urine yet. Yes, a pregnancy test can show a real positive 72 hours after intercourse, if the woman had already conceived >2 weeks earlier, and just happens to be having more intercourse (as is normally done in life). A false positive is rare, but can happen. ...Read more
Accurate if positive: If it is negative and you do not get a period, repeat the test in 4-5 days. Use first morning urine and follow the instructions for the test carefully. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex. Get HPV vaccine. ...Read more
Neg test = not preg: Home pregnancy tests are very accurate. They are the same tests used in a doctors office. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. If you doubt the result you can repeat it in 1-2 days. If you were pregnant the hormone level would rise enough for detection. See your doc for irregular periods. ...Read more
Pregnant: The bleeding may have been implantation of the pregnancy rather than a menstrual period - that is not uncommon. With a positive test you would be pregnant. If you begin to have significant pelvic pain then there would be concern for and abnormal pregnancy (including an ectopic pregnancy) so then see your Ob/Gyn promptly. ...Read more
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