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Amniotic fluid. The amniotic fluid is the protective liquid contained by the amniotic sac of a gravid amniote. This fluid serves as a cushion for the growing fetus, but also serves to facilitate the exchange of nutrients, water, and biochemical products between mother and fetus. For humans, the amniotic fluid is commonly called water or waters ...
The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.
Hypercoagulability in pregnancy likely evolved to protect women from hemorrhage at the time of miscarriage or childbirth. In developing countries, the leading cause of maternal death is still hemorrhage. [23] In the United States 2011-2013, hemorrhage made up of 11.4% and pulmonary embolisms made up of 9.2% of all pregnancy-related deaths. [24]
Stillbirth is typically defined as fetal death at or after 20 or 28 weeks of pregnancy, depending on the source. [ 1][ 2]: Overview tab, [ 8] It results in a baby born without signs of life. [ 9] A stillbirth can often result in the feeling of guilt or grief in the mother. [ 10] The term is in contrast to miscarriage, which is an early ...
disputed. Kyshtym disaster. 1957, September 29. An improperly stored underground tank of high-level radioactive waste exploded. Death count unknown, estimates range from 50 to more than 9,000. 78. Chernobyl disaster. 1986, April 26. At least 78 are believed to have been directly killed by the disaster (31 due to the explosion, 28 due to ...
Data in the 2010 columns comes from Health Data. [11] Overall, life expectancy at birth in Hawaii, Washington, California, and New Yorkare among the longest in the nation, while life expectancy at birth in Mississippi, American Samoa, and West Virginiaare among the shortest in the nation.
Gestational age. In obstetrics, gestational age is a measure of the age of a pregnancy taken from the beginning of the woman's last menstrual period (LMP), [ 1] or the corresponding age of the gestation as estimated by a more accurate method, if available. Such methods include adding 14 days to a known duration since fertilization (as is ...
In early US history, drinking water quality in the country was managed by individual drinking water utilities and at the state and local level. In 1914 the U.S. Public Health Service (PHS) published a set of drinking water standards, pursuant to existing federal authority to regulate interstate commerce , and in response to the 1893 Interstate ...