Difference Between Blood Clot and Miscarriage
The Difference Between Blood Clot and Miscarriage – Almost all women have had blood clots at some point throughout their menstrual cycle.
What Exactly is a Blood Clot?

Blood clots are dried blood aggregates that are thick and sticky.
Almost every woman has experienced blood clots throughout her menstrual cycle.
This is a relatively unusual occurrence for some women, while it is a regular aspect of their menstruation for others.
The following are the most prevalent causes of clots during the menstrual cycle:
- Sedentary lifestyle – If a woman has a sedentary lifestyle, blood is trapped in the v*gina and clots accumulate during her period.
- Uterine cervix disorders – Some cervix disorders result in blood clot development. Abortion, unhealthy behaviours, birth deformities, and other factors may contribute to the disorders.
- Disturbance in a woman’s hormonal balance – the occurrence of blood clots often indicates increased levels of the hormones responsible for endometrial growth.
- Presence of an intrauterine device – If the device is not properly placed or if it causes endometriosis or polyps, blood clots can form during menstruation.
- Polyps in the uterus – Clots can be signs of gynaecological diseases, like endometrial polyps. In this scenario, the endometrium grows in isolated areas, forming polyps.
- Uterine fibroids – are a benign uterine pathology that influences the nature of menstruation, including the formation of clots.
- Other causes – blood clots during menstruation are less likely to come up as a result of low haemoglobin, ectopic pregnancy, vitamin surplus in the body, and so on.
What Precisely is a Miscarriage?

Miscarriage is defined as a pregnancy that terminates before the foetus can survive outside the uterus, i.e. before the 20th gestational week.
Early pregnancy miscarriage is a very typical occurrence. It affects between 10 and 20 per cent of pregnant women.
In fact, it is far more common, including extremely early miscarriages that occur before the pregnancy is detected.
Approximately 80% of miscarriages occur before the 12th gestational week.
Miscarriages are caused by genetic and chromosomal embryonic defects in up to 95% of cases.
Miscarriage may also be caused by other factors. These are some examples:
- Diseases affecting the mother, such as uncontrolled diabetes, thyroid diseases, thrombophilia, immunological diseases, and infections.
- Toxic substance intake, alcohol consumption, and smoking.
- The structural characteristics of the uterus or the cervix.
Miscarriages most typically occur at an initial stage, prior to embryo development.
It is also possible that an embryo with abnormal heart rhythms may cease developing at a later stage.
The most common miscarriage symptoms are abdominal pain and v*ginal bleeding.
The pain is intense and sudden, followed by excruciating cramps. The cramps begin in the abdomen and spread to the legs and thighs.
Cramps and heavy blood flow are often accompanied by severe back pain.
During a miscarriage, the blood flow usually begins with a brownish discharge.
It is followed by exceptionally heavy bright red or pink discharge with large red blood clots that last for 2-3 days.
A little kidney-shaped grey tissue mass is also discharged.
If the pregnancy is older than 6-8 weeks, a ball-shaped sac containing the fetus may be released.
During a miscarriage, it is possible for a woman to experience a rise in body temperature.
Difference Between Blood Clot and Miscarriage
1. Definition
Blood clot: Blood clots are clumps of dried blood that are thick and sticky.
Miscarriage: A miscarriage occurs when a pregnancy is disrupted and the fetus is unable to survive outside of the uterus.
2. Occurrence
Blood clots: Nearly all women have experienced blood clots during menstruation.
Miscarriage: Miscarriage happens in 10-20% of women who are aware they are pregnant.
3. Causing Factors
Blood clot: The most common causes of clots during menstruation are a sedentary lifestyle, problems with the cervix, an imbalance in hormones, the presence of an intrauterine device, polyps in the uterus, uterine fibroids, low haemoglobin, an ectopic pregnancy, a vitamin surplus in the body, etc.
Miscarriage: The most frequent causes of miscarriage include genetic and chromosomal embryonic abnormalities, diseases affecting the mother, toxic drug intake, alcohol consumption, smoking, structural characteristics of the uterus or cervix, and so on.
4. Appearance
Blood clot: Blood clots are uniform red clumps of blood. They appear as black spots on an ultrasound scan.
Miscarriage: During a miscarriage, grey tissue pieces and blood clots are discharged. The outcomes of conception are seen as white spots on an ultrasound scan.
Comparison Table Between Blood Clot and Miscarriage
Characteristics | Blood clot | Miscarriage |
Definition | Thick and sticky clumps of dried blood. | A disturbed pregnancy that ends before the foetus is able to survive outside the uterus. |
Occurrence | Almost 100% of women have noticed blood clots during their periods. | It occurs in 10 to 20% of the women who know they are pregnant. |
Causing factors | Sedentary lifestyle, cervix disorders, disturbance of the hormonal balance of the woman, presence of an intrauterine device, polyps in the uterus, uterus fibroids, low haemoglobin, ectopic pregnancy, vitamin surplus in the body, etc. | Genetic and chromosomal embryonic abnormalities, diseases of the mother, intake of toxic substances, alcohol consumption, smoking, structural features of the uterus or the cervix, etc. |
Appearance | Uniform red blood clumps. An ultrasound scan shows blood clots as black areas. | Greyish tissue parts are discharged together with blood clots. An ultrasound scan shows the products of conception as white areas. |
Summary of the Difference Between Blood Clot and Miscarriage
- Blood clots are aggregates of dried blood that are heavy and sticky.
- Miscarriage occurs when a pregnancy is disrupted and the fetus is unable to survive outside of the uterus.
- Almost every woman has experienced blood clots during her period.
- Miscarriage happens in 10-20% of women who are aware they are pregnant.
- The most frequent causes of clots during menstruation are a sedentary lifestyle, cervical abnormalities, disruption of the woman’s hormonal balance, the presence of an intrauterine device, uterine polyps, uterine fibroids, low haemoglobin, ectopic pregnancy, vitamin excess, etc.
- The most prevalent causes of miscarriage include genetic and chromosomal embryonic abnormalities, ailments affecting the mother, toxic substance intake, alcohol use, smoking, structural features of the uterus or cervix, etc.
- Blood clots are uniform red clumps of blood. Greyish tissue parts, as well as blood clots, are discharged during a miscarriage.
- An ultrasound scan portrays blood clots as black spots and the products of conception as white areas.
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