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Ultrasound testing, also known as sonography, is a medical test that uses sound waves to produce pictures of organs, blood vessels, or tissues inside the body. An ultrasound technician performs an ...
Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb). The procedure is a standard part of prenatal care in many countries, as it can provide a variety of information about the ...
A pregnancy test is used to determine whether a female is pregnant or not. The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. [1] Testing blood for hCG results in the earliest detection of pregnancy. [2]
Gestational age: 3 weeks and 0 days until 3 weeks and 6 days old. 22–28 days from last menstruation. Embryonic age: Week nr 2. 1 week old. 8–14 days from fertilization. Trophoblast cells surrounding the embryonic cells proliferate and invade deeper into the uterine lining. They will eventually form the placenta and embryonic membranes.
Breast tenderness, nausea, and fatigue may be continuing. Although you should contact your provider as soon as you get a positive pregnancy test, many women have their first prenatal visit during ...
Prenatal sex discernment can be performed by preimplantation genetic diagnosis before conception, but this method may not always be classified as prenatal sex discernment because it's performed even before implantation. Cell-free fetal DNA testing, wherein a venipuncture is performed on the mother to analyze the small amount of fetal DNA that ...
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