A treatise on the science and practice of midwifery . ). The density andstrength of this cyst are found to be very different in different cases;sometimes it forms a complete and strong covering to the ovum, atothers it is very thin and only partially developed, but it is rarelyentirely absent. As there is ample space for the development of theovum, and as the secondary cyst generally stretches and grows alongwith it, most cases of abdominal pregnancy progress without anyvery remarkable symptoms, beyond occasional severe attacks of pain,until the full term of pregnancy has been reached. Sometim
A treatise on the science and practice of midwifery . ). The density andstrength of this cyst are found to be very different in different cases;sometimes it forms a complete and strong covering to the ovum, atothers it is very thin and only partially developed, but it is rarelyentirely absent. As there is ample space for the development of theovum, and as the secondary cyst generally stretches and grows alongwith it, most cases of abdominal pregnancy progress without anyvery remarkable symptoms, beyond occasional severe attacks of pain,until the full term of pregnancy has been reached. Sometimes, how-ever, the cyst lacerates, and there is an escape of blood into theabdominal cavity, accompanied by more or less prostration and col-lapse, which may prove fatal, but from Avhich the patient more gen-erally rallies. The foetus, now dead, will remain in the abdomen, ABNORMAL PREGNANCY. 175 and will undergo changes and produce results similar to those whichwe shall presently describe as occurring in cases progressing to thefull period. Fig. Uterus and Foetus in a Case of Abdominal Pregnancy. Pseudo-labor sometimes comes on.—In most cases at the naturaltermination of pregnancy, a strange series of phenomena occur;pseudo-labor comes on, there are more or less frequent and strong-uterine contractions, possibly an escape of blood from the vagina, thedischarge of the broken down uterine decidua, and even the estab-lishment of lactation. Sometimes the contractions of the abdominalmuscles, produced by this ineffective labor, have been so strong as tocause the laceration of the adventitious cyst surrounding the foetus,and the escape of blood and liquor amnii into the abdominal cavity,with a rapidly fatal result. More frequently laceration does notoccur, and the spurious labor pains continue at intervals, until thefoetus dies, possibly from pressure, but more often from effusion ofblood into the tissue of the placenta, and consequent asphyxia. Occa-sionally the foetus lias a
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Keywords: ., bookcentury1800, bookdecade1870, bookidtre, booksubjectobstetrics
