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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 following two years, Quizlet reached its 1,000,000th registered user. [10] Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. [11] In 2011, Quizlet added the ability to listen to content using text-to-speech. [12]
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.
4.3 Conception. 4.4 Testing. 4.5 ... The following outline is provided as an overview of and topical guide to obstetrics: ... obstetrics is the study of the ...
1021 – Ibn al-Haytham (Alhacen) pioneers the experimental scientific method and experimental physics in his Book of Optics, where he devises the first scientific experiments on optics, including the first use of the camera obscura to prove that light travels in straight lines and the first experimental proof that visual perception is caused ...
4.3 Chemistry. 4.4 Physical. 4.4.1 Optics. 4 ... and it was both unnecessary and improper to frame ... but the development of electrostatic machines did not begin in ...
[11] 664 CE: England Hilda of Whitby oversees Whitby Abbey, a center of learning. [12] 700-1200 CE: Islamic Golden Age (countries) A sponsorship system allows many women to study Hadith, Islamic law, and more. [13] 705 CE: England Wimborne Minster, an Anglo-Saxon double monastery, provides education for women. [14] c. 750 CE: Germany
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.