| Some women face abnormal periods that usually | | | | hormones involved in menstruation and it can also |
| stop for 6 months or more are said to have | | | | take long for those hormones to return to normal |
| amenorrhea or the absence of menstruation which is | | | | which are involved in menstruation. Menstruation also |
| also known as secondary amenorrhea. Here it is | | | | stops during pregnancy. In case of some women, |
| worth to mention that girls who don't menstruate by | | | | menstruation either stops or never stops because |
| the age of 16 have primary amenorrhea. | | | | their ovaries don't respond properly to those |
| Secondary amenorrhea does not include minor | | | | hormones that trigger the release of an egg. These |
| lateness of a period and in case of some women, | | | | women are also unable to ovulate on their own and |
| menstrual cycles of 5-6 weeks are quite normal. | | | | therefore menstruation is not possible without |
| Stress is also a considerable factor and at times | | | | ovulation. Some women do not even produce enough |
| when you worry that you are or not pregnant also | | | | estrogen hormones to ovulate. Other reasons of |
| leads your period to be late by a week or two. | | | | amenorrhea are ovarian cysts and obstructions or |
| Severe emotional and physical stress or mental health | | | | other problems in the reproductive tract. |
| problems could even cause the periods to delay or | | | | Other factors that could cause menstruation to stop |
| stop for a long time. Amenorrhea at a higher stage | | | | includes excessive exercise, obesity, poor nutrition, |
| also leads to problems with the hormones that | | | | diabetes, chronic illness, tuberculosis, medications |
| regulate menstruation. The glands that produce | | | | including birth control pills, narcotics, major tranquilizers |
| hormones affecting menstruation include the pituitary | | | | and cancer chemotherapy drugs. |
| gland at the base of the brain, the adrenal glands on | | | | In some rare cases of primary amenorrhea, there is |
| the top of the kidneys, the thyroid gland in the neck | | | | no opening in the hymen through which the blood |
| and the ovaries. | | | | flows and about one third of girls with primary |
| It can take a period from 6 months to a year for | | | | amenorrhea have a genetic disorder or problem with |
| normal periods to resume after a woman stops | | | | their reproductive tract. |
| taking birth control pills because the pill blocks certain | | | | |