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Obstetrics is the field of study concentrated on pregnancy, childbirth and the postpartum period. [1] As a medical specialty , obstetrics is combined with gynecology under the discipline known as obstetrics and gynecology (OB/GYN), which is a surgical field.
In the 1840s, when Ignaz Semmelweis began his career in obstetrics, an expectant mother entering a maternity ward had a 10-20% chance of dying from this particular illness/complication. [20] For some areas in Europe the figure was greater with an estimated death rate as high as 30%. [ 22 ]
Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.
Obstetrics and gynaecology (also spelled as obstetrics and gynecology; abbreviated as Obst and Gynae, O&G, OB-GYN and OB/GYN [a]) is the medical specialty that encompasses the two subspecialties of obstetrics (covering pregnancy, childbirth, and the postpartum period) and gynaecology (covering the health of the female reproductive system ...
An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.
It is often paired with the field of obstetrics, which focuses on pregnancy and childbirth, thereby forming the combined area of obstetrics and gynaecology (OB-GYN). The term comes from Greek and means ' the science of women '. [1] [2] Its counterpart is andrology, which deals with medical issues specific to the male reproductive system. [3]
Title page from The Sceptical Chymist, a foundational text of chemistry, written by Robert Boyle in 1661. Chemistry, and its antecedent alchemy, became an increasingly important aspect of scientific thought in the course of the 16th and 17th centuries. The importance of chemistry is indicated by the range of important scholars who actively ...
In 1998 Deep Springs College accepted a $1.8 million low-interest loan under the condition that it would begin admitting women by 2019. [359] In 2011, the college's trustees voted to begin accepting female students in the summer of 2013 but became embroiled in legal challenges which were lodged against the trustees' action. [360]