Antibiotics can cause an imbalance in the production of estrogen and progesterone in the body, which in turn can delay or cause an irregular menstrual cycle, states Menstrual Cycle...
Nov 14, 2014 ... If you're not pregnant, causes of missed or irregular periods can include eating
disorders, stress, increased exercise, and medication.
Sep 4, 2014 ... Serious conditions like anorexia and bulimia can cause missed periods, but so
can training for a marathon or some other major event that ...
Feb 24, 2015 ... Missed or late periods happen for many reasons other than pregnancy. Common
causes can range from hormonal imbalances to serious ...
Dec 19, 2014 ... Many missed periods are the result of a benign problem. In some cases, the
cause can be more serious, including ovarian cancer. The sooner ...
Feb 21, 2012 ... Learn the causes of missed menstrual periods (amenorrhea), which include
pregnancy, dieting, strenuous exercise, STDs, stress, medications ...
If you miss more than three periods in a row, and pregnancy tests are negative ...
but have a milky discharge from your nipples then prolactin could be the cause.
Mar 26, 2015 ... I usually get my period every three weeks. ... S/he can help determine the cause
of the missing periods and may recommend a variety of tips to ...
A missed period is often the first sign of pregnancy, but what causes a missed
period when you're not pregnant? Read the non-pregnant reasons for no period.