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How accurate are pregnancy tests before a missed period

A 28-year-old female asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
It should be: accurate at that point. Reasons for missed /late periods: low body weight, obesity, marked weight gain or loss, over-exercise such as in endurance ath... Read More

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A 21-year-old female asked:
Dr. Diane Minich
Family Medicine 37 years experience
May be too early: If period does not come in 1 week repeat pregnancy test.
A 21-year-old female asked:
Dr. Robert Kwok
Pediatrics 33 years experience
Tests are accurate: Today's home pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, or medications. A co... Read More
A 20-year-old female asked:
Dr. Gregory Gilbert
Emergency Medicine 23 years experience
Confusing question: Is this what happens every time you have your period? On time, heavy and then 3 days later a light period? Or just this one time? Assuming this i... Read More
A 26-year-old female asked:
Dr. John Berryman
Obstetrics and Gynecology 54 years experience
Siphene (clomid) ?'s: Siphene is used to induce ovulation. If a home pregnancy test is negative "ten days after missed period", ovulation/pregnancy probably did not occur.... Read More
A 31-year-old female asked:
Dr. John Berryman
Obstetrics and Gynecology 54 years experience
Late period ? : Menstrual periods occur 14 days before the onset of a period, unless pregnancy intervenes. A delay in onset may be caused by stress (emotional, covid... Read More
A 18-year-old female asked:
Dr. Gurmukh Singh
Pathology 49 years experience
See below: Menstrual irregularities are not uncommon. Anovulatory cycles are one cause. If you miss more than two periods it would be time to see your doctor. Yo... Read More
A 30-year-old member asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
There is never: 100% accuracy. It is very accurate. You can repeat in a week using first morning void if you still have not had your period.
A 33-year-old female asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
HPT: Home pregnancy tests are very accurate. If test is negative & you still don't have your period - consider repeating in one week with a first mor... Read More
A 25-year-old female asked:
Dr. Joseph Accurso
Radiology 29 years experience
After missed period: Most home pregnancy tests (hpts) claim to be 99% accurate on the first day of the missed period. However, research suggests that most hpts do not ... Read More

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