What follows is a table indicating some of the most common reasons why women have abnormalities in their periods. If a pregnancy test is negative, but menstrual problems persist, it could be a sign of a more serious condition requiring immediate medical attention. ... missed ovulation (no egg released from ovary)
www.epigee.org/health/lateperiod.html www.epigee.org/health/lateperiod.html
Since birth control can fail, taking a pregnancy test will allow you to rule out one of the possible causes of missed periods. Your local pregnancy center can provide a test for free.
www.epigee.org/guide/lateperiod.html www.epigee.org/guide/lateperiod.html
If you're not pregnant, causes of missed or irregular periods can include eating disorders, stress, increased exercise, and medication. ... If you are not pregnant, other causes of missed or irregular periods include:
women.webmd.com/tc/missed-or-irregular-periods-topic-ov... women.webmd.com/tc/missed-or-irregular-periods-topic-overview
Alternate Name(s): Missed periods; Lack of menses; Periods - missed; Amenorrhea ... PRIMARY AMENORRHEA Normal delay of onset (up to age 16) Lack of an opening in the membrane at the entrance of the vagina (hymen) Drastic weight reduction Congenital abnormalities of the genital system Chromosomal abnormalities Extreme obesity ...
www.nlm.nih.gov/medlineplus/ency/article/003149.htm#Com... www.nlm.nih.gov/medlineplus/ency/article/003149.htm#Common%20Causes
A woman is not considered to have secondary amenorrhea until she has missed three menstrual periods in a row. However, the causes of secondary amenorrhea are generally the same factors or conditions that can lead to a skipped period.
www.medicinenet.com/missed_menstrual_period/symptoms.ht... www.medicinenet.com/missed_menstrual_period/symptoms.htm
Some other typical causes of missed periods include undergoing any major changes in your life, such as moving, starting a new job or a new romance, or changed eating or exercise habits. Losing a significant amount of weight can also cause you to miss a menstrual period.
www.goaskalice.columbia.edu/0436.html
Nothing strikes fear into the heart of any woman like a missed period, ... Stress can affect many things in our lives, including our periods. Sometimes we're so stressed out that our body decreases the amount of a hormone (GnRH), which causes us to not ovulate or menstruate. Working with your doctor or midwife can help...
pregnancy.about.com/od/amipregnant/a/missedperiod.htm pregnancy.about.com/od/amipregnant/a/missedperiod.htm
It is a good idea to keep a rec ord of your periods which includes when it starts, stops, the amount of menstrual flow, drugs and any other symptoms. This will help the doctor figuring out why you have missed a period.
www.chebucto.ns.ca/Health/TeenHealth/Women/missed.html www.chebucto.ns.ca/Health/TeenHealth/Women/missed.html
If so, what causes false negatives? ... Of course, if you are on birth control or Depo, or have recently discontinued birth control, then cycle regularity can be an issue, as well as missed periods. These medications do function by altering the balance of your reproductive hormones.
www.early-pregnancy-tests.com/missed-period.html www.early-pregnancy-tests.com/missed-period.html