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Miscarriages are unfortunate incidents where the foetus is discarded or lost due to medical or genetic reasons. If you are pregnant or planning to get pregnant, it is important that you educate yourself on this issue. This will help you brace yourself in case a miscarriage occurs and understand that there are solutions available.
What Is a Miscarriage?
The loss of a foetus during the early stages of pregnancy is known as a miscarriage. Miscarriage is medically termed as spontaneous abortion and typically occurs before the 20th week of pregnancy (in the first trimester). According to the published studies and reports, around 15 to 25% of clinically recognised pregnancies terminate in a miscarriage. However, a very early miscarriage can also occur before the woman even knows about her pregnancy or before missing her menstrual period.
Miscarriage has the following symptoms, and it is recommended to contact your gynaecologist if you observe any of the below-mentioned signs:
- Severe abdominal pain
- Gradual progression of vaginal bleeding (from light to heavy)
- Discharge of tissue with clots
- Back and lower back pain
- Unexplained weakness
In most cases, miscarriages take place when the foetus has genetic issues. Other causes include medical conditions like diabetes or thyroid disorder in the mother, hormonal issues, uterine abnormalities or infections. There are also some risk factors that can increase your chances of having a miscarriage. These include smoking, excessive caffeine intake, alcohol consumption, and being underweight or obese. Sometimes couples who indulge in intercourse during the early weeks of pregnancy, which may result in a miscarriage.
Different Types of Miscarriage
Your doctor will classify your condition after considering your pregnancy stage and the cause of the miscarriage. The different types of miscarriages are as follows:
1. Threatened Miscarriage
Threatened miscarriage is a term used to denote vaginal bleeding that happens during the first trimester of a pregnancy where the cervix remains closed. Apart from vaginal bleeding, severe abdominal cramps and lower back pain are notable symptoms of a threatened miscarriage. Your doctor will perform a detailed examination if you have unexplained bleeding. Please note that this does not mean the pregnancy will terminate with a miscarriage. As per reports, about half the women who face this risk eventually go on to having a healthy pregnancy.
2. Inevitable Miscarriage
During early pregnancy, if there is heavy vaginal bleeding and severe abdominal cramps, it is termed as inevitable miscarriage. However, during this type of miscarriage, as opposed to threatened miscarriage, the cervical canal is dilated. This indicates that the body is getting ready to terminate the pregnancy.
3. Complete Miscarriage
A miscarriage in which all the pregnancy tissue is ejected from the uterus is called a complete miscarriage. Also known as complete abortion, this kind of miscarriage is defined by extreme abdominal pain, heavy vaginal bleeding, and expulsion of pregnancy tissue in its entirety. With this kind of miscarriage, the bleeding and pain subside immediately, although an ultrasound test is recommended to confirm if it is a complete miscarriage.
4. Incomplete Miscarriage
Similar to a complete miscarriage, there is heavy bleeding and severe pain during an incomplete miscarriage. Here too, the cervix is open. However, the pregnancy tissue may not be passed entirely, which can be revealed through an ultrasound.
5. Missed Miscarriage
When a foetus dies quite early during pregnancy, and the tissue continues to remain in the mother’s womb, it is known as a missed miscarriage. The woman may feel all the symptoms of pregnancy if the placenta keeps releasing the essential hormones, but with time, all the signs of pregnancy may gradually decrease. The common symptoms of miscarriage may not be visible in some women while others could be subjected to vaginal discharge and cramping.
6. Recurrent Miscarriage
The occurrence of three or more pregnancy losses is defined as recurrent miscarriage. Only a small number of women (reports suggest 1-2 %) have repeated miscarriages, in which case it is best to discuss the issue with the doctor or a specialist for taking necessary action.
7. Blighted Ovum
In this type of miscarriage, a fertilized egg is attached to the uterine wall but does not develop into an embryo. It is also known as an embryonic pregnancy and occurs early during the pregnancy. During blighted ovum, the gestational sac remains empty and needs a dilation and curettage procedure (a surgical procedure using an instrument called a curette) to have the uterus scraped.
8. Chemical Miscarriage
Although it sounds ominous, this is a very early miscarriage that usually occurs around the 4th or 5th week of pregnancy and happens before the ultrasound scan can detect anything. The sperm fertilises fertilizes the egg, but the egg is unable to survive any further.
9. First-Trimester Miscarriage
A pregnancy loss that happens during the first trimester (first 12 weeks) of pregnancy is a first-trimester miscarriage. Studies show that around 80% of miscarriages happen around the first trimester and can be identified by vaginal bleeding, lower back cramping and loss of pregnancy symptoms.
10. Second Trimester Miscarriage
The second trimester of your pregnancy begins in the 12th week and ends around the 20th week. Any miscarriage that occurs during this period can be termed as a second-trimester miscarriage. However, this is often unexpected and relatively rare.
11. Ectopic Miscarriage
When the embryo is implanted outside the uterus, an ectopic pregnancy is said to have occurred. Here the foetus usually does not survive. An ectopic miscarriage is preceded by vaginal bleeding and vomiting, in which case, it is best to see the doctor at the earliest.
12. Molar Pregnancy
When the pregnancy tissue develops into an abnormal growth in the uterus instead of growing into a foetus, a molar pregnancy is said to have taken place. It needs immediate attention, and the next step involves surgical removal of the tissue.
The above-mentioned types of miscarriages can occur at different stages of pregnancy and will need expert care and treatment. Coping with it needs one to be emotionally strong, and with support from family and friends, it is possible to tide over this difficult period. Discuss this with your doctor to understand more about potential health problems that may have led to the miscarriage, and also get guidance on getting pregnant again.