DECIMAL CLASSIFICATION 
618.2 
=z I 
aa 
23 
24 
25 
3 
Obstetrics 
Pregnancy 
Diagnosis 
Duration 
Hygiene Management 
Multiple pregnancy: twins, etc. 
Pathology of pregnancy 
Diseases of pregnancy and their treatment 
Ectopic gestation Extra-uterin pregnancy 
Pathology of ovum 
Deth and retention of fetus 
Pathology of fetal appendages 
Decidua 
Placenta 
Amnion 
Umbilic cord 
Abortion Miscarriage Stillbirth Molar pregnancy 
See 173.4 Infanticide; 340.6 Medical jurisprudence; 343 Criminal law 
Parturition Labor Physiology 
Mechanism of labor 
Presentations Positions 
Clinic course and phenomena 
Conduct of normal labor Management 
Pathology of labor 
Abnormal labor from faults 
of powers Anomalies of expellent forces 
of passages Mechanical obstacles to expulsion of fetus 
of child Abnormalities of fetus ~~ See 617.3 Deformities 
Complications 
Hemorrhage 
Rupture or laceration of genital tract 
Retention of placenta 
Inversion of uterus 
Prolapsus funis 
Other complications 
31 
32 
33 
34 
26 
37 
.38 
30 
lle 
Jr 
lo } 
4.2 
51 
"2 
83 
54 
55 
56 
57 
58 
50