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Abortion is the termination of a pregnancy by removal or expulsion of an embryo or fetus. An abortion that occurs without intervention is known as a miscarriage or "spontaneous abortion"; these occur in approximately 30% to 40% of all pregnancies. When deliberate steps are taken to end a pregnancy, it is called an induced abortion, or less frequently "induced miscarriage". The unmodified word abortion generally refers to an induced abortion. The most common reason women give for having an abortion is for birth-timing and limiting family size. Other reasons reported include maternal health, an inability to afford a child, domestic violence, lack of support, feeling they are too young, wishing to complete education or advance a career, and not being able or willing to raise a child conceived as a result of rape or incest.
Dilationand curettage (D&C) refers to the dilation of the cervix and surgical removal of part of the lining of the uterus or contents of the uterus by scraping and scooping (curettage). It is a gynecologic procedure used for diagnostic and therapeutic purposes, and is the most commonly used method for first-trimester miscarriage or abortion.
Obstetrics is the field of study concentrated on pregnancy, childbirth and the postpartum period. As a medical specialty, obstetrics is combined with gynecology under the discipline known as obstetrics and gynecology (OB/GYN), which is a surgical field.
Ectopic pregnancy is a complication of pregnancy in which the embryo attaches outside the uterus. Signs and symptoms classically include abdominal pain and vaginal bleeding, but fewer than 50 percent of affected women have both of these symptoms. The pain may be described as sharp, dull, or crampy. Pain may also spread to the shoulder if bleeding into the abdomen has occurred. Severe bleeding may result in a fast heart rate, fainting, or shock. With very rare exceptions, the fetus is unable to survive.
Miscarriage, also known in medical terms as a spontaneous abortion, is the death and expulsion of an embryo or fetus before it can survive independently. The term miscarriage is sometimes used to refer to all forms of pregnancy loss and pregnancy with abortive outcomes before 20 weeks of gestation.
Maternal death or maternal mortality is defined in slightly different ways by several different health organizations. The World Health Organization (WHO) defines maternal death as the death of a pregnant mother due to complications related to pregnancy, underlying conditions worsened by the pregnancy or management of these conditions. This can occur either while she is pregnant or within six weeks of resolution of the pregnancy. The CDC definition of pregnancy-related deaths extends the period of consideration to include one year from the resolution of the pregnancy. Pregnancy associated death, as defined by the American College of Obstetricians and Gynecologists (ACOG), are all deaths occurring within one year of a pregnancy resolution. Identification of pregnancy associated deaths is important for deciding whether or not the pregnancy was a direct or indirect contributing cause of the death.
Late termination of pregnancy, also referred to as third trimester abortion, describes the termination of pregnancy by induced abortion during a late stage of gestation. In this context, late is not precisely defined, and different medical publications use varying gestational age thresholds. As of 2015 in the United States, more than 90% of abortions occur before the 13th week, 1.3% of abortions in the United States took place after the 21st week, and less than 1% occur after 24 weeks.
Pregnancy is the time during which one or more offspring develops (gestates) inside a woman's uterus (womb). A multiple pregnancy involves more than one offspring, such as with twins.
Dilation and evacuation (D&E) is the dilation of the cervix and surgical evacuation of the uterus after the first trimester of pregnancy. It is a method of abortion as well as a common procedure used after miscarriage to remove all pregnancy tissue.
Complications of pregnancy are health problems that are related to, or arise during pregnancy. Complications that occur primarily during childbirth are termed obstetric labor complications, and problems that occur primarily after childbirth are termed puerperal disorders. While some complications improve or are fully resolved after pregnancy, some may lead to lasting effects, morbidity, or in the most severe cases, maternal or fetal mortality.
An abdominal pregnancy is a rare type of ectopic pregnancy where the embryo or fetus is growing and developing outside the uterus, in the abdomen, and not in a fallopian tube, an ovary, or the broad ligament.
Instillation abortion is a rarely used method of late-term abortion, performed by injecting a solution into the uterus.
Maternal–fetal medicine (MFM), also known as perinatology, is a branch of medicine that focuses on managing health concerns of the mother and fetus prior to, during, and shortly after pregnancy.
Unintended pregnancies are pregnancies that are mistimed, unplanned or unwanted at the time of conception.
A high-risk pregnancy is a pregnancy where the mother or the fetus has an increased risk of adverse outcomes compared to uncomplicated pregnancies. No concrete guidelines currently exist for distinguishing “high-risk” pregnancies from “low-risk” pregnancies; however, there are certain studied conditions that have been shown to put the mother or fetus at a higher risk of poor outcomes. These conditions can be classified into three main categories: health problems in the mother that occur before she becomes pregnant, health problems in the mother that occur during pregnancy, and certain health conditions with the fetus.
Reproductive coercion is a collection of behaviors that interfere with decision-making related to reproductive health. These behaviors are meant to maintain power and control related to reproductive health by a current, former, or hopeful intimate or romantic partner, but they can also be perpetrated by parents or in-laws. Coercive behaviors infringe on individuals' reproductive rights and reduce their reproductive autonomy.
A medical abortion, also known as medication abortion or non-surgical abortion, occurs when drugs (medication) are used to bring about an abortion. Medical abortions are an alternative to surgical abortions such as vacuum aspiration or dilation and curettage. Medical abortions are more common than surgical abortions in most places around the world.
Hypertensive disease of pregnancy, also known as maternal hypertensive disorder, is a group of high blood pressure disorders that include preeclampsia, preeclampsia superimposed on chronic hypertension, gestational hypertension, and chronic hypertension.
Maternal mortality refers to the death of a woman during her pregnancy or up to a year after her pregnancy has terminated; this metric only includes causes related to the pregnancy, and does not include accidental causes. Some sources will define maternal mortality as the death of a woman up to 42 days after the pregnancy has ended, instead of one year. In 1986, the CDC began tracking pregnancy-related deaths to gather information and determine what was causing these deaths by creating the Pregnancy-Related Mortality Surveillance System. According to a 2010-2011 report although the United States was spending more on healthcare than any other country in the world, more than two women died during childbirth every day, making maternal mortality in the United States the highest when compared to 49 other countries in the developed world.
Black maternal mortality in the United States refers to the death of women, specifically those who identify as Black or African American, during or after child delivery. In general, maternal death can be due to a myriad of factors, such as how the nature of the pregnancy or the delivery itself, but is not associated with unintentional or secondary causes. In the United States, around 700 women die from pregnancy-related illnesses or complications per year. This number does not include the approximately 50,000 women who experience life-threatening complications during childbirth, resulting in lifelong disabilities and complications. However, there are stark differences in maternal mortality rates for Black American women versus Indigenous American, Alaska Native, and White American women.
References
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