Classification-Schedules

Classification 2025 Summer Edition

Worldwide source of medical classification resources

Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

WQ

Obstetrics. Pregnancy

Schedule Contents

Reference Works. General Works Midwifery. Prenatal Care Pregnancy Pregnancy Complications Childbirth. Obstetric Labor Obstetric Surgical Procedures Postpartum Period. Postnatal Care. Puerperal Disorders

Classify works on obstetrical nursing in WY 157.

Reference Works. General Works

WQ 1

Organizations. Societies (General or not elsewhere classified) (Cutter from name of organization or society) (Table-G)
(Monographs and Serials)

Includes membership lists and administrative reports issued serially or separately. Classify directories in WQ 22. Classify other serials issued by societies in W1. For academies and institutes, see WQ 23-24.

WQ 5

Collected works by several authors

WQ 7

Collected works by individual authors

WQ 9

Addresses. Essays. Lectures

WQ 11

History (Table-G)

WQ 11.1

General coverage (Not Table-G)

WQ 13

Dictionaries. Encyclopedias
(Monographs and Serials)

WQ 15

Classification. Terminology
(Monographs and Serials)

WQ 16

Tables. Statistics. Surveys (Table-G)
(Monographs and Serials)

Classify here maternal mortality statistics without causes of death. Classify statistics including causes of death in WA 900. Classify reproductive health surveys in WP 50

WQ 16.1

General coverage (Not Table-G)
(Monographs and Serials)

WQ 17

Atlases. Pictorial works

Classify atlases limited to a particular part of the system here also.

WQ 18

Education

Classify here works about education.

WQ 18.2

Educational materials
(Monographs and Serials)

Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

WQ 19

Schools, departments, and faculties of obstetrics (Table-G)
(Monographs and Serials)

Include here works on the history of schools. Classify works on schools of obstetrics and gynecology here; classify works on schools of gynecology only in WP 19. Classify courses of study, catalogs, etc., in W 19.5.

WQ 19.1

General coverage (Not Table-G)
(Monographs and Serials)

WQ 20

Research (General)

Classify here works about research in general. Classify works about research on a particular subject by subject.

WQ 21

Obstetrics as a profession. Perinatology as a profession. Ethics. Peer review

Classify works on the specialty alone here. Classify works on both obstetrics and pregnancy in WQ 100.

WQ 22

Directories (Table-G)
(Monographs and Serials)

WQ 22.1

General coverage (Not Table-G)
(Monographs and Serials)

WQ 23

Collective laboratories, academies, institutes, etc. (Table-G)

WQ 23.1

General coverage (Not Table-G)

WQ 24

Individual laboratories, academies, institutes, etc. (Cutter from name of institution) (Table-G)

WQ 25

Laboratory manuals. Technique

WQ 26

Equipment and supplies

Classify catalogs in W 26.

WQ 26.5

Informatics. Electronic data processing. Computers (General)

Classify works on use for special subjects by subject.

WQ 27

Collective maternity hospitals, clinics and dispensaries (Table-G)

WQ 27.1

General coverage (Not Table-G)

WQ 28

Individual maternity hospitals, clinics and dispensaries (Cutter from name of hospital) (Table-G)

WQ 28.5

Collective museums, exhibitions, etc.

WQ 28.6

Individual museums, exhibitions, etc. (Cutter from name of museum, etc.) (Table-G)

WQ 32

Laws (Table-G)
(Monographs and Serials)

WQ 32.1

General coverage (Not Table-G)
(Monographs and Serials)

WQ 33

Discussion of law (Table-G)
(Monographs and Serials)

WQ 33.1

General coverage (Not Table-G)
(Monographs and Serials)

WQ 34

Malpractice. Liability (Table-G)

WQ 34.1

General coverage (Not Table-G)

WQ 39

Handbooks. Resource guides
(Monographs and Serials)

Classify handbooks for midwifery at WQ 165.

[WQ 90]

[This number not used]

Classify reproductive health surveys in WP 50.

[WQ 90.1]

[This number not used]

WQ 100

General works on obstetrics and pregnancy

Classify works on both obstetrics and pregnancy here. Classify works on obstetrics alone in WQ 21. Classify general works on pregnancy alone in WQ 200.

WQ 105

Maternal health

WQ 150

Popular works on pregnancy and childbirth

WQ 152

Natural childbirth

WQ 155

Birth setting

Midwifery. Prenatal Care

WQ 160

Midwifery

WQ 165

Manuals for midwives. Handbooks

WQ 175

Prenatal care. Prenatal education for the health professional

Classify works written for patients or the general public in WQ 150.

WQ 180

Perinatal care

Pregnancy

WQ 200

Pregnancy (General) (Table-G)

WQ 200.1

General coverage (Not Table-G)

WQ 201

Pregnancy in adolescence (General)

WQ 202

Pregnancy determination

Cf. QY 335 Pregnancy tests.

WQ 203

Preimplantation diagnosis

WQ 205

Fertilization

WQ 206

Sex determination analysis

Classify works on genetic sex determination in QS 638.

WQ 208

Assisted reproductive techniques (General or not elsewhere classified)

WQ 208.2

Artificial insemination

WQ 208.4

Fertilization in vitro

WQ 209

Prenatal diagnosis

WQ 209.5

Fetal monitoring

WQ 210

Fetus (General)

Classify works on fetal experimentation in general in W 20.5.

WQ 210.5

Fetal anatomy, physiology, and biochemistry

WQ 211

Fetal diseases (General or not elsewhere classified)

WQ 212

Placenta

Pregnancy Complications

WQ 215

Eclampsia. Pre-eclampsia

WQ 220

Ectopic pregnancy

WQ 225

Spontaneous abortion. Fetal death. Perinatal death

Cf. WQ 445 Induced abortion; W 867 Illegal abortion. Classify works on perinatal mortality in WA 900.

WQ 235

Multiple pregnancy

WQ 240

Pregnancy complications (General or not elsewhere classified)

Classify works on pre-enclampsia in WQ 215.

WQ 244

Cardiovascular complications

WQ 248

Diabetes

WQ 252

Hematologic complications

WQ 254

High-risk pregnancy

WQ 256

Infectious diseases

WQ 258

Obesity

WQ 260

Urologic complications

WQ 270

Maternal death

Childbirth. Obstetric Labor

WQ 300

General works

Classify works on natural childbirth in WQ 152; works on birth setting in WQ 155.

WQ 305

Physiology. Clinical course

WQ 307

Presentation

WQ 310

Dystocia

WQ 320

Cephalopelvic disproportion

WQ 330

Complications of labor

Obstetric Surgical Procedures

WQ 400

General works

Classify works on obstetrical anesthesia in WO 450.

[WQ 410]

[This number not used]

Classify preparatory manipulation in obstetrical surgery in WQ 415.

WQ 415

Delivery (including preparatory manipulation)

WQ 425

Use of forceps

WQ 430

Cesarean section. Symphysiotomy

[WQ 435]

[This number not used]

WQ 440

Induction of labor

WQ 445

Induced abortion

Cf. WQ 225 Spontaneous abortion, WQ 32 legal abortion, and W 867 Illegal abortion. Classify works on sociological and religious aspects of induced abortion in HQ 767-767.52. Classify works on public health aspects of abortion in WA 550.

WQ 450

Resuscitation of the newborn

Postpartum Period. Postnatal Care. Puerperal Disorders

WQ 500

Postpartum period. Postnatal care

WQ 505

Puerperal disorders

WQ 507

Postpartum depression