In the first quarter, typical symptoms may appear, due to the adaptation of the organism in relation to hormonal changes.
The most common problems are:
Nausea and vomiting;
However, it is also possible that more serious problems occur during pregnancy, such as Placental Abruption, placenta, placenta praevia total low, eclampsia and pre-eclampsia; or miscarriage.
The detached placenta is an event record. Can occur from the 20th week and requires urgent intervention to save the fetus. Occurs in approximately 1% of pregnancies, or 6.5 for every 1,000 births. There are traumatic causes (accidents, for example) and non-traumatic causes. Among the latter is the maternal hypertension as the primary shirt and dress by medicinelearners.com.
There are two types of detachment:
Detachment with visible hemorrhage: when a quantity of blood is expelled through the vagina and there is a strong pain or uterine contraction. Occurs in approximately 80% of cases;
Retinal detachment with unseen bleeding: when there is no visible bleeding and the only symptom is a sharp pain or uterine contraction. The emergency Caesarean operation is usually indicated and there is need for intensive care of the mother during and after delivery due to the risk of severe bleeding.
Partial placenta previa or placenta low: it is an abnormal placental implantation near the cervix. Most of the time, the growth of the uterus causes the placenta to back off of his lap, getting a normal location. If there is bleeding in early pregnancy, or at any time, the home, generally, is fundamental. If there are migration to a normal location, delivery via abdomen (c-section) should be considered.
Placenta previa is when the placenta completely covers the cervix. The possibility of migration of the placenta to a normal location is highly unlikely. If there is bleeding in early pregnancy, or at any time, it is necessary the bedrest. If there are migration to a normal location, delivery via abdomen (c-section) should be considered. There is a great possibility of Placental Abruption and severe bleeding.
Preeclampsia and eclampsia are diseases characterized by increased blood pressure during pregnancy, loss of protein in the urine and increase in weight over 500 g a week, causing risks to the mother and the fetus.
Spontaneous abortion is the death of the fetus. The causes of abortion are varied. Coagulation disorders, chromosomal changes and infectious diseases are known causes.
RAY, J. G.; LASKIN, c. a. Folic acid and homocyst (e) ine metabolic defects and the risk of placental abruption, pre-eclampsia and spontaneous pregnancy loss: a systematic review. Placenta, v. 20, n. 7, p. 519-529, 1999.
RAYMOND, Elizabeth G.; MILLS, James l. Placental abruption: maternal risk factors and associated fetal conditions. ACTA obstetricia et gynecologica Scandinavica, v. 72, n. 8, p. 633-639, 1993.
ANANTH, Cande V.; SAVITZ, David A.; WILLIAMS, Michelle a. abruption Placental and its association with hypertension and prolonged rupture of membranes: a methodologic review and meta-analysis. Obstetrics Gynecology &, v. 88, n. 2, p. 309-318, 1996.
GLANTZ, Chris; PURNELL, Leslie. Clinical utility of sonography in the diagnosis and treatment of placental abruption. Journal of ultrasound in medicine, v. 21, n. 8, p. 837-840, 2002.
FERGUSON, JAMES HENRY. Severe abruptio placentae. Clinical obstetrics and gynecology, v. 3, n. 1, p. 68-75, 1960.
BRONSTEEN, r. et al. Effect of the low-lying placenta on delivery outcome. Ultrasound in Obstetrics Gynecology &, v. 33, n. 2, p. 204-208, 2009.
CLARK, Steven L.; KOONINGS, PAUL P.; PHELAN, JEFFREY p. Placenta previa and cesarean section accreta/prior. Obstetrics Gynecology &, v. 66, no 1, p. 89-92, 1985.
COMEAU, JAMES et al. Early placenta previa and delivery outcome. Obstetrics Gynecology, v. & 61, n. 5, p. 577-580, 1983.
ROBERTS, James M.; REDMAN, c. w. g. pre-eclampsia: more than pregnancy-induced hypertension. The Lancet, v. 341, paragraph 8858, p. 1447-1451, 1993.
ALBERMAN, Eva. Spontaneous abortions: epidemiology. In: Spontaneous Abortion. Springer, London, 1992. p. 9-20.
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