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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.
4.6.2 Roles during childbirth. 4.6.3 Delivery. ... obstetrics is the study of the reproductive process within the female body, including fertilization, ...
Residents then sit for the three-hour oral exam at ABOG's test center, and if they pass the exam they become "board certified" OB-GYNs. [3] Since 2013 at least 82% of all Certifying Exam examinees have passed. [6] This adds up to 11–14 years of education and practical experience. The first 7–9 years are general medical training.
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.
Moreover, in contrast to physics, chemistry remained predominantly a descriptive and empirical science until the end of the 19th century. Though they developed a consistent quantitative foundation based on notions of atomic and molecular weights, combining proportions, and thermodynamic quantities, chemists had less use of advanced mathematics ...
The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature.
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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]