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Postpartum bleeding or postpartum hemorrhage (PPH) is often defined as the loss of more than 500 ml or 1,000 ml of blood following childbirth. [2] Some have added the requirement that there also be signs or symptoms of low blood volume for the condition to exist. [ 6 ]
Antepartum bleeding (APH), also prepartum hemorrhage, is bleeding during pregnancy from the 24th week [7] (sometimes defined as from the 20th week [8] [7]) gestational age up to the birth of the baby. [5] The primary consideration is the presence of a placenta previa which is a low lying placenta at or very near to the internal cervical os.
Gestational age: 5 weeks and 0 days until 5 weeks and 6 days old. 36–42 days from last menstruation. Embryonic age: Week nr 4. 3 weeks old. 22–28 days from fertilization. The embryo measures 4 mm (1 ⁄ 8 in) in length and begins to curve into a C shape. The heart bulges, further develops, and begins to beat in a regular rhythm.
Heart development, also known as cardiogenesis, refers to the prenatal development of the heart. This begins with the formation of two endocardial tubes which merge to form the tubular heart, also called the primitive heart tube. The heart is the first functional organ in vertebrate embryos.
Early pregnancy bleeding (also called first trimester bleeding) is vaginal bleeding before 14 weeks of gestational age. [1] [2] If the bleeding is significant, hemorrhagic shock may occur. [1] Concern for shock is increased in those who have loss of consciousness, chest pain, shortness of breath, or shoulder pain. [1] Common causes of early ...
Implantation bleeding may be confused with a regular period. [3] [4] Heavy vaginal bleeding in the first trimester or bleeding associated with pain, may be a sign of a complication, such as a miscarriage or an ectopic pregnancy, that would need to be assessed by a healthcare provider. [5]
In 2021, the Texas Heartbeat Act stated that ”a physician may not knowingly perform or induce an abortion on a pregnant woman if the physician detected a fetal heartbeat for the unborn child ...
In a healthy heart all activities and rests during each individual cardiac cycle, or heartbeat, are initiated and orchestrated by signals of the heart's electrical conduction system, which is the "wiring" of the heart that carries electrical impulses throughout the body of cardiomyocytes, the specialized muscle cells of the heart. [1] [2] These ...