Identifier: manualofantenata01ball (find matches)
Title: Manual of antenatal pathology and hygiene : the foetus
Year: 1902 (1900s)
Authors: Ballantyne, J. W. (John William), 1861-1923
Subjects: Fetus Prenatal care Fetus Prenatal Care
Publisher: New York : William Wood
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons

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rauterine life had elapsed ? Thispossibility has been affirmed for syphilis and malaria, but in thiscase one is tempted to ask whether the foetus was really sufferingfrom variola ? At the same time, it may be that the incubationperiod in the foetus is different from that in the adult, for in the casereported by Laurens (Bidl. Soc. anat. de Par., xliii. 184, 1868) themother had smallpox early in her pregnancy, and two and a halfmonths later aborted of a foetus with the eruption well marked. Inorder to complete this survey of the chief clinical possibilities offoetal variola, it may be added that the disease may perhaps beacquired by the infant during his transit through the maternalpassages, or very soon thereafter; but this can hardly be described astrue fcetal smallpox. Eeference has already been made in the previous chapter to thesymptomatological peculiarities of variola as it occurs in the unborninfant; but certain details may profitably be repeated here, and somenew points added.
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Fig. 28.—Laurens Case of Siiiallpo.x in the Foetus.191 Charcot. Laurens 15 1 23 22 19 30 8 — 16 15 12 20 192 ANTENATAL PATHOLOGY AND HYGIENE The eruption has a distribution which may best be described asirregular; the order of appearance is also irregular. The spots areusually few in number (12-100), and the variola is therefore of thediscrete type; rarely they are many, and the confluent type isproduced ; even the heemorrhagic form of eruption has been met with(Cless, Med. Cor.-Bl. cl. wilrttemh. arztl. Ver., xxxvi. 23, 1866). Belowwill be found in a tabular form the number of spots and their dis-tribution in two cases of fcetal variola, one reported by Charcot (Compt.rend. Soc. de biol., v. 88, 1853) and the other (Fig. 28) by Laurens(Thke,Paris, 1870):— Face Scalp and back of neck Thorax and abdomen Scrotum and buttocks Upper limbs Lower limbs 93 88 The pustules vary in size from 1 to 9 mm. in diameter; they havethe same shape as in the adult, and show umbilication, and they

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