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Escherichia coli is an encapsulated gram-negative bacilli that may cause neonatal infections due to its high prevalence in the GI and GU tracts of pregnant patients. With the advances in preventing group B streptococcus infections, β-lactam-resistant Escherichia coli infections have increased in causing neonatal deaths in very low birthweight ...
The term "physiologic leukorrhea" is used to refer to leukorrhea due to estrogen stimulation. [7] Leukorrhea may occur normally during pregnancy. This is caused by increased bloodflow to the vagina due to increased estrogen. Female infants may have leukorrhea for a short time after birth due to their in-uterine exposure to estrogen.
Brain damage may be caused by a number of factors, including fetal malformation due to genetic mutation or exposure to toxins, intrauterine hypoxia, or physical trauma during delivery. [12] Cerebral palsy is one example of brain damage incurred before or during delivery; about 10,000 children are diagnosed with cerebral palsy every year. [13]
Exposure to environmental toxins. Ionizing radiation [66] Exposure to recreational drugs. Alcohol: Use during pregnancy can cause fetal alcohol syndrome and fetal alcohol spectrum disorder. [67] Tobacco use: During pregnancy, causes twice the risk of premature rupture of membranes, placental abruption and placenta previa. [68]
The main theories of meconium passage into amniotic fluid are caused by fetal maturity or from foetal stress as a result of hypoxia or infection. [3] Other factors that promote the passage of meconium in utero include placental insufficiency, maternal hypertension, pre-eclampsia and maternal drug use of tobacco and cocaine. [6]
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After the latency period (but before clinical infection) the infected person can transmit the disease without signs of any symptoms. Such infection is called subclinical infection. Incubation period (also known as the latent period or latency period ) is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation , and ...
In the latter case, the disease may only be defined as a "disease" (which by definition means an illness) in hosts who secondarily become ill after contact with an asymptomatic carrier. An infection is not synonymous with an infectious disease, as some infections do not cause illness in a host. [10]