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Theophylline extended-release tablets in Japan. Theophylline, also known as 1,3-dimethylxanthine, is a drug that inhibits phosphodiesterase and blocks adenosine receptors. [1] It is used to treat chronic obstructive pulmonary disease (COPD) and asthma. [2] Its pharmacology is similar to other methylxanthine drugs (e.g., theobromine and caffeine ...
Erythropoietin, which stimulates red blood cell production, increases throughout pregnancy and reaches approximately 150 percent of their pregnancy levels at term. [24] The slight drop in hematocrit or hemoglobin is most pronounced at the end of the second trimester and slowly improves when reaching term.
Twin-to-twin transfusion syndrome (TTTS), also known as feto-fetal transfusion syndrome (FFTS), twin oligohydramnios-polyhydramnios sequence (TOPS) and stuck twin syndrome, is a complication of monochorionic multiple pregnancies (the most common form of identical twin pregnancy) in which there is disproportionate blood supply between the fetuses.
Maternal IgG is able to pass through the placenta into the fetus and if the level of it is sufficient, it will cause destruction of D positive fetal red blood cells, leading to development of the anti-Rh type of hemolytic disease of the fetus and newborn (HDFN). Generally, HDFN becomes worse with each additional Rh incompatible pregnancy.
Microchimerism is a result of pregnancy, possibility that foreign cells were of transfusion or transplantation origin was rejected due to women's health. Women testing positive for male origin microchimerism cells had reduced hazard rates of ovarian cancer than women testing negative. [52] Pregnancy at older ages can reduce risk of ovarian cancer.
If one twin dies in utero, blood accumulates in that twin's body, causing exsanguination of the remaining twin. [2] In the case of monoamniotic twins the risk of complications is substantially higher because of additional potential umbilical cord entanglement and compression. [3] However, the perinatal mortality of monochorionic twins is fairly ...
Conceiving a baby using a frozen embryo may raise the mother’s risk of high blood pressure disorders by up to 74%, new research suggests. The findings, published in the journal Hypertension also ...
Because one of the active ingredients in Tedral is theophylline, Tedral is contraindicated if the patient has: [3] [6] Hypersensitivity to xanthine derivatives; Coronary artery disease (cardiac stimulating effects of Theophylline may prove harmful) Peptic ulcer; Concomitant use with ephedrine in children.
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