1000000031

210

bryo exhihit<s ,he ligure of • ladpole, ",i,h a large hc.u

and fn,,1I hody or tail, whieh gr.lJually inere.fes in

inagnitllde,

tiJl

the arms and thighs begin

bud or nrut

ou" like fmall nipples, from ,he Ihoulders and breeeh:

two

hl.ek

fpetks appear on eaeh

".le

o( ,he he.d. wit h

a linle ,hole or opening betwecn them, which -in the fe·

cond monch are eaGly dilli.nguiO,ed 'o he ,he eyes and

mouth. See PIate eXL fig.

The legs and .rnlS

• re gradu.lly formed, while ,he hody turns larger ; hut

the 60ge" are not feparated or dilli ntl, ,ill the lauer enu

of ,he (<cond' or beginning of ,he third .monch . See

PIate eXI. Gg.

Thi. is eo0101only ,he eafe; but fome·

timeo the bulk and appe.ranee difForeonGJerahly in ditre–

ren' emhryos of

,~e

fame age. The younger ,he emb,yo,

lhe

larger

and heavieris the head in prop&rtion

lhe

ren

of ,he body; and this is ,he cafe in all ,he dilferent gra–

dations of the (retus; fa ,ha, \Vhen drop' or fúfpended

by ,he navel Itring in water, the head mun Gnk lower–

mon of courre. Bdides,

when womcn

mi(ca rry

the

fotftli>, 6 fth, Gx,h, and feventh mancho, the head for

the moll pan prefents i,felf. and is firn delivered. Seo

Plate ex!.

6g. 3.

By ,he toueh in the vagina, ,he

head is frc:quently feh in che

revemh , fomctimes

in lhe

fix,h, bu, more frequently in the eighth month;

a~d

Ihe (ame women are thus examiDed, from time to time,

till ,he lahour begins, ,he head will .Iways be felt of a

round 6rm fubllanee

the fore-part of the briOl of the

pelvis,

betwixl lhe

os internum and pubes; through

lhe

fubllanee of ,he vagina and Uteru.. See PI..e eXI. fig.

Bu, all thore opinions are liahle ' o ohj etlions.

the dcfeen' of ,he head proeeeded from ilS

fp~eifie

gra–

vity, we \..ould always find

at the os internum, becaufe

Ihis

rearOD

would always prevail;

were owing to a

d iminilhed propo,tion of.water, why Ihould we of,en find

the breech prerented, evcn when there- is a

quantily

tha, fluid large enough to give ,he head free liherty to

rife "gaio lowards lbe fundus, or (according

the olher

opioion) 'o Gnk down hy its fpecific gravi,y

If'

the

inter–

Dum? Sorne, inded, ruppore, that the head always pre·

Cents itfelf, excep' when i, is .hiodered hy ,he fuois um–

bilieali. 'willing round the oeek and hod y, ro as ' o im–

pede ,he na,ural progrcfs: bu" were

th i~

fuppoGtio n jull,

\Vhen we turn and deliver by the fcet thore ehi ldlCn tha,

prerented in a preternatural way, we

fllould

ahw-ays find

them more or leCs circumvoluted

by Ihe

navel·fl ring :

the funis

Orten

(ound

twiaed

round the neck and ba·

dy wh, " the head prereoll as in any o,h.r care . Tha,

t"be head

downwards all the

lime

of geOation,

feems.

on the whoJe,

be the moO rcafonable

opiAion,

though

Ít

be liahle

the objeét:on aJrcady mentioned, and

[eem,

9Ontradiélory

the obrervation of fome

aUlhors,

who al–

ledgc, that in opening women that died in the fi(th , fiX lh,

or f<venth month, they have found the ehild's head to–

wards lhe fundos uleri . But as it lies a5 eafy in one po–

fl ure as in another, till the

birth ,

th is difpllte is o( lefs

confeqllcnce

in lhe

paélice

o( rnidwi(cry. Il may

ufc–

fui tO rugg<ll, that the ",roo ó pollure of , he child in the

!l taus m..

proeced .

l .

From eircurnvolutions in the (unís umbilicalis.

Sce

Phl.tc

CX III.

fig . .. which rt"prefents, in a

flORI

\'iew

,¡

,he {'elvis, the breeeh of the fo.:us prcfenring, .od

cid

ting .he os ínter'num,

the nlcmbraOe5

beiog too roon

IJrok~.

The

(ole'rens

the cll1ld

are

the ponerior

pan of

the

ulerus

;'and the (uois, with a knot upon

it,

fu rrounds

the

oeck, arms, and body.

Or,

,,,rhen there is little or no warer furroundin .

the chilJ, it may

m()v~

ioto

\\'rong poCilion, ctnd

b:'

conrtned there by the Hri(ture of the uterus.

See

Pl.ue

eX1l1. fig.

3, 4 .

FI G. 2. is

the reverfe of

fig.

l. lhe

fore

pares

of the

ehild heing to ,he rore· part of ,he u,, (us .

FIG . 3. reprerenu,

in a

(ront view of ,h e pelvis. the

[retus cooruprdfed, by lhe con traétion of tht: utl:rus.

io to

a round ferm, the fore -p:\ns of the forOl!!r

being

towiHds lhe inferior pan of tI}e

I¡:u~er,

and one [ooe

and hand f<tllen down ioto the vagi na. In chis

fi.

gure, the anterior pan o( lhe pd vis is remo\'ed, by

longitudioal reétioo through the middle of the fo–

rameA magnum.

AA,

Thc ruperior pjlrts of the otra ilium .

B!:l,

The l1Ierus.

e, The mo",h of ,he womh llretehed and appearing is

0000.

The vagina.

D, The inferior and porleríor p;lr t of th eos eXlernom.

EEEE,

The remaioing pa",

the

off.

pubis and if-

chium .

Ffff,

The memhrana adipofa.

FIG .

4. reprerents, in ehe fctme view with fig.

the

fretus in the-contrary pofilion; the breech and rore–

pans being towards the fundus uteri,

the

lert. arm

the vagma , and the (qre arm w1thuut lh:

ex–

ternum, che lhou1der being likcwife foreed into the

os ueerí .

Or, la(lIy, The \Vrong poG,ion of the ehild may he the

effd t of a pendulous belly or narrow pelvis, when the

hcad li.. forward over the puhis. See PI. tt ex!. fig.

Seo alfo Pla,e eXIL fig.

and

¡.

Fl c.

gives

lateral in,ernal vi<w of

dillorteJ

pelvis , divided longitudinally, wi,h the head of a fre –

tuf

of ,he fev<mh Oloolh palling th e rame.

A Be, The os raerum and eoeeyx.

The os pubis of the lef, fideo .

The tuberoG,y of the os irchium of the

f.me

fiJ e.

F, c .

ei" es a Gde view of a ditlurted pelvis, divjded

Iongi

tudio.ll

y, \Vith ,he head of • rull gro lVn fce,us

fqueezed into the briOl, the p::trietal hones decun'a.–

ting e3ch other, and

coOlp, e{f~d

into a cenical form.

ABe, The os faerum .nd eoecylt.

D ,

The os pubis of the Idl Gde.

The tub, rofi,y of the os ifehium.

F , The procclTl1s acutus.

G ,

l 'he

foramen Olagnum.

Oj'To ucH INc .

T OUCH IN C

is performed by in eroducing the

fore~{jn-

1!er Itibricóucd

Wilh

pom.Hum· into lhe vagina. in oroer to

the

os iotcrnunl ano neck of the merus;

ilOO {CllnC–

times into thl: rctlum, tO difcovrr lhe ll rctching of {he

fundus . By fOlne, we are advired

touch with lhe

middlF

finr.er

(15

bciag

lhe Joogefi; and

OIhc:rs,

elllploy uo,h tha[ and ,h e fidl: bu t

,h~

middle is toOmueh

eneumbertd by tha, on

eh lide, tO anfIVer ,he purpofe

JUlly,