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Period 18 days late negative pregnancy test

A 21-year-old female asked:
Dr. Alexander Blinski
Family Medicine 15 years experience
Yes: if you are using standard urine pregnancy tests it is possible that they are not sensitive enough and that you are not far enough along in a pregnancy... Read More

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A 41-year-old female asked:
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Common in 40’s: Periods tend to change a lot for women in their 40’s. Although not yet in menopause hormone levels are less stable. There are many treatment options f... Read More
A 43-year-old member asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
Possible causes: Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness... Read More
A 38-year-old member asked:
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Irregular periods : Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring... Read More
A 23-year-old female asked:
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Trust the test : A pregnancy test would be accurate by now so you can trust the result. Irregular periods are one of the most common problems obgyns treat. If this i... Read More
A 22-year-old female asked:
Dr. Dan Fisher
Internal Medicine 27 years experience
Means use protection: Negative pregnancy test 13 days after missed period is pretty reliable. At your age periods are not reliable for a variety of reasons. If you aren't ... Read More
A 25-year-old female asked:
Dr. Robert Kwok
Pediatrics 33 years experience
Pregnancy unlikely: In a woman with regular periods, some causes of a late period include: excessive weight loss or weight gain, increased exercising, emotional stress, h... Read More
A 29-year-old female asked:
Dr. David Lipkin
Internal Medicine 52 years experience
See below: It is possible. Repeat the pregnancy test in 1 week. If (-) and period hasn't come on check with your gynecologist.
A 23-year-old female asked:
Dr. Gurmukh Singh
Pathology 49 years experience
Hormone imbalance: Plan B has a higher dose of birth control hormones and may upset the usual cycle. It would be prudent to repeat the pregnancy test in 4-5 days if you ... Read More
A 22-year-old female asked:
Dr. John Berryman
Obstetrics and Gynecology 54 years experience
"late" period: Eight days late when cycles are "regular" should be checked by a serum (blood) test for pregnacy to be certain. There are other causes for delayed me... Read More

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