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Preliminary observations upon the conditions leading to injuries of the parturient

canal, 160. The mechanism of laceration and injuries of the perineum and

pelvic floor, 161. The sciatic and coccygeal surface, 161. Plane of obturato-

coccygeus, 162. The levator coccygei, 163. The plane of the levator ani

proper, 164. Plane of the levator vaginæ or vaginal sphincter, 164. Plane

of the constrictor cunni or vulval sphincter, 167. The vulval plane or ring,

167. Lacerations extending into the transversus perinæi and sphincter

ani, 168. Lacerations of the perineal septum, 168. Lacerations of the deep

pelvic fascia, 168. The flap lacerations, 168. Central ruptures, 169.

Irregular lacerations, 169. Concealed lacerations, 170. Contusions about

the bony walls, 171. Lacerations extending into the rectum, 171. Effects

of perineal and pelvic floor lacerations, 171. The immediate effects or those

incident to the puerperal state, 171. Remote effects, 172. Effects upon

the uterus, 172. Effects upon the bladder, urethra, and rectum, 173.

Effects upon the vagina, 174. Other effects, 174. Symptoms of perineal

and pelvic floor lacerations, 174. Secondary symptoms, 174. Varieties of

laceration, 175. Degrees of laceration, 176. Diagnosis of perineal and

pelvic floor lacerations, 177. Palpations of old perineal lacerations, 180.

Diagnosis by rectal palpation, 181. Diagnosis by inspection, 183. Combined

palpation and inspection, 184. Diagnosis of old lacerations extending into

the rectum, 184. Diagnosis of lacerations of the pelvic floor, 184. Deeper

portions of the pelvic floor, 185. Method of diagnosis, 186. Prognosis,

187. Prevention of lacerations, 187. Perineal incisions, 188. Colpotomy,

189. Episiotomy, 189. Perineal tenotomy, 190. Delivery after perineal

incisions, 192. Choice of methods, 192. After management, 193.

Treatment of perineal lacerations, 193. Superficial lesions, 193. Treat-

ment by coaptation, 193. Immediate perineorrhaphy, 194. Reasons for

failure of the immediate operation, 194. Contraindications, 194. The

operation, 195. Lacerations into the rectum, 199. Secondary perineor-

rhaphy, 199. What is to be accomplished, 200. When to operate, 200.

Methods of restoring the perineum when the rectum is not opened, 200.

The median triangular operation, 200. The modified triangular operation,

201. The bilateral operation, 202. Crescent operation, 204. Emmet's

crescent operation, 205. Transverse denudations, 205. Star operation,

205. Flap operations, 206. The triangular flap operation, 206. Bischoff's

operation, 207. Modified Freund's operation, 208. Crescentic flap opera-

Treatment of menorrhagia, 300. Palliative treatment, 301. Curative treatment,

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PATHOLOGY OR HYSTEROPATHY.

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