why do women have blood clots during there periods?
551597
It is the release of the lining of their uterus.\n\nEach month, the lining of a woman's uterus thickens, in preparation for the possibilty of an egg being fertilized and then attaching to the lining to begin growing.\n\nWhen no egg is fertilized, or does not attach, the lining is released. This discharge is a woman's "period."
255825
i think the heavy bleeding is because of all the tissue build up in the uterus. When we menstruate we shed the lining to prepare for egg attachment. It is similar to when a person does not get a period for a period( sorry) of time. All that tissue is built up, so when they do begin to menstruate again its a heavy cycle. All of these things should be taken up with a doctor. But this is as far as I know.
450258
The clotting is not serious, it's just another fun part of having your period.  When you ovulate (egg is released from the ovary) your uterus develops a lining.  Everytime your body releases an egg, it assumes that a baby will be made from it.  Therefore, your body is just getting ready to make that baby a home.  But, once the egg passes into the uterus, and "falls out", in other words, you start your period, that lining is no longer needed.  Your cramps are just from the lining releasing from your uterus, and the clots are just a biproduct of that.  \n\nJust a side note, though:  whenever you feel that something could be wrong, abnormal blood loss, clotting is just unbelievable, and you are just in constant pain (lasting longer than usual) you need to see your doctor.  You will know if something isn't right.  You know your body, and how it works.
1075460
Blood clots are serious and can be life threating. If they reapear see a Dr. right away.
303098
You need to see a gynocologist.  Your march period was way too long. You are losing too much blood.
400668
it is due to an increase in hormone release that happens during periods
54144
it may just be some x-tra blood from ur period...if u just finished ur cycle or are about to start. it can also be a cut in or around your vaginal area...the best answere would come from your doctor.
933859
Birthcontrol pills will often make your period lighter and very extremely regular, which is why people with heavy, irregular or painful periods take birth control, even if they aren't sexually active. The brownish blood is just old blood, probably because the flow is so light.  Don't worry about it.  If you are still concerned, you should call the doctor who prescribed the pills and question them.
370667
Almost all women have some cramping during their periods, classified as either primary dysmenorrhea (which refers to "normal" menstrual pain) or secondary dysmenorrhea (which is a result of an underlying disease or disorder).\n\n"Normal" cramps occur in almost all women due to the release of prostaglandins, which are hormones produced by the endometrium (the lining of the uterus). Prostaglandins cause the uterus to contract (sometimes quite painfully) in order to expel the menstrual debris (and henceforth, start the period). Some women produce higher levels of prostaglandins than others, so they may hurt more. \n\nHOWEVER, killer cramps are NOT normal and are in most cases due to secondary dysmenorrhea. Most frequently this is because of a disease or disorder like Endometriosis, Adenomyosis, Pelvic Inflammatory Disease, cervical stenosis, structural abnormalities in the vagina or uterus itself, fibroids, etc. If your cramping disables you, see your gyn to talk about options.
316822
Men have a greater volume of blood flowing through their vascular system on average because they are larger than women.  However menstrual blood is the lining of the uterus that builds up over the course of a woman's monthly cycle and is not really comparable.  Besides, the amount of blood we lose each month is pretty minimal even though it seems like a lot.
660522
A period is the time in the menstrual cycle that women experience the flow of bleeding and uterine tissue out of the body.  This occurs if fertilization of the ovum did not take place, so the body needs to shed the excess tissue that built up in preparation in case fertilization did occur.
881041
One of the most common causes of menorrhagia (or hypermenorrhea)--heavy menstrual bleeding and/or prolonged menstrual bleeding-- is an imbalance between the hormones estrogen and progesterone.\n\nIf you have seen a doctor, your doctor should have one: diagnosed you with menorrhagia after ruling out any other possible causes (other menstrual disorders, medical conditions or the use of medications) and two: should have started you on treatment to correct a hormonal imbalance if that was indeed the culprit.\n\nMy mother had this problem last year, but suffered from excessive menstrual bleeding (to the point she was severely anemic) and prolonged menstrual bleeding (lasting several weeks out of the month, stopping for a few days, then starting back up again). Her doctor said it was due to a hormonal imbalance, and he performed a D&C and then put her on iron supplements and progesterone.
1008462
Because it sucks to be a woman sometimes.  Your uterus sheds its lining when you are on your period.  It can not come out all at once this would be too traumatic to the body.
981008
For the first two years that I started menstruating, my periods didn't even look like blood, but that nasty dark brown stuff, and it freaked me out! As it turns out, the uterus doesn't just get rid of blood, but uterine tissue as well, which accounts for the clotting.\n\nIt seems odd that this is happening after your period has finished, as though you're having a second period. This does occasionally happen to people. I wouldn't be too concerned about it unless it doesn't disappear after a couple weeks. In that case I would go to the doctor to see what's up.
293646
I know in some women, like my sister in law, BC causes blood clots in their legs.  Also if you smoke, this risk and the risk of heart problems is greatly increased.  I was on the patch (am currently trying for #2) and had no adverse reactions, no mood swings and I actually has lighter periods that lasted for less time and less cramping.
1026941
A period is the shedding of the wall of the utereus. If a woman was pregnant and her uterine wall shed, she would have a miscarriage. \n\nThere was a friend in high school who found out she was pregnant and then a few days later she miscarried. She said there was a " really really big" clump of blood.\n\nAlso when my sister miscarried, her bleeding was very painful.
1019103
Your period is when you shed the lining that your uterus had to get ready for the fertilized egg to implant to.  Since you didn't get pregnant, the lining is no longer needed.  When it begins to shed the lining at the beginning it is fresh blood which is more red.  This starts to turn to brown since it is old blood at the end of your period.  The older brown blood usually has a foul odor also.  This is perfectly normal.