NLM Classification Schedule WQ

QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

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WQ Obstetrics
	Classify works on obstetrical nursing in WY 157.
	WQ 1-150 Reference Works. General Works
	WQ 152-175 Childbirth. Prenatal Care
	WQ 200-212 Pregnancy
	WQ 215-260 Pregnancy Complications
	WQ 300-330 Labor
	WQ 400-450 Obstetric Surgical Procedures
	WQ 500-505 Postpartum Period
	Reference Works. General Works

WQ 1	Societies (Cutter from name of society) (Used for both monographs and serials)
	Includes ephemeral membership lists issued serially or separately. Classify substantial lists with directories. Classify annual reports, journals, etc., in W1.
	Collected works (General)
WQ 5	By several authors
WQ 7	By individual authors

WQ 9	Addresses. Essays. Lectures (General)

WQ 11	History (Table G)
WQ 11.1	General coverage (Not Table G)

WQ 13	Dictionaries. Encyclopedias (Used for both monographs and serials)

WQ 15	Classification. Terminology (Used for both monographs and serials)

WQ 16	Tables. Statistics (Used for both monographs and serials)
	Classify here maternal mortality statistics without causes of death. Classify statistics including causes of death in WA 900.

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 (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

WQ 19	Schools, departments, and faculties of obstetrics (Used for both 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. Ethics. Peer review

WQ 22	Directories (Table G) (Used for both monographs and serials)
WQ 22.1	General coverage (Not Table G) (Used for both monographs and serials)
	Clinics, dispensaries, etc.
WQ 23	Collective (Table G)
WQ 23.1	General coverage (Not Table G)
WQ 24	Individual (Table G)

WQ 25	Laboratory manuals. Technique

WQ 26	Equipment and supplies
	Classify catalogs in W 26.

WQ 26.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.
	Maternity hospitals
WQ 27	Collective (Table G)
WQ 27.1	General coverage (Not Table G)
WQ 28	Individual (Cutter from name of hospital) (Table G)
	Museums, exhibitions, etc.
WQ 28.5	Collective
WQ 28.6	Individual (Cutter from name of museum, etc.)

WQ 32	Laws (Table G) (Used for both monographs and serials)
WQ 32.1	General coverage (Not Table G) (Used for both monographs and serials)
WQ 33	Discussion of law (Table G) (Used for both monographs and serials)
WQ 33.1	General coverage (Not Table G) (Used for both monographs and serials)
WQ 34	Malpractice (Table G)
WQ 34.1	General coverage (Not Table G)

WQ 39	Handbooks. Resource guides (Used for both monographs and serials)
	Classify handbooks for midwifery at WQ 165.

WQ 100	General works

WQ 150	Popular works on pregnancy and childbirth
	Childbirth. Prenatal Care

WQ 152	Natural childbirth

WQ 155	Home childbirth

WQ 160	Midwifery
WQ 165	Manuals for midwives. Handbooks

WQ 175	Prenatal care
	Pregnancy

WQ 200	General works

WQ 202	Diagnosis
	Cf. QY 335 Pregnancy tests.

WQ 205	Fertilization. Development of ovum. General physiology of reproduction

WQ 206	Sex determination (Analysis)
	Classify works on genetic sex determination in QS 638.

WQ 208	Reproductive techniques (e.g., Artificial insemination. Embryo transfer. Fertilization in vitro)

WQ 209	Prenatal diagnosis. Fetal monitoring

WQ 210	Fetus. Fetal membranes. Umbilical cord. Perinatology (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
	Cf. WK 920 Placental hormones.
	Pregnancy Complications

WQ 215	Toxemias (e.g., Eclampsia)

WQ 220	Ectopic pregnancy

WQ 225	Spontaneous abortion. Fetal death
	Cf. WQ 440 Induced abortion; W 867 Criminal abortion. Classify works on perinatal mortality in WA 900.

WQ 235	Multiple pregnancy
	Cf. QS 642 Multiple embryo production.

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 256	Infectious diseases
WQ 260	Urologic complications
	Labor

WQ 300	General works

WQ 305	Physiology. Clinical course

WQ 307	Presentation

WQ 310	Dystocia

WQ 320	Disproportions of the pelvis

WQ 330	Complications of labor (e.g., Postpartum hemorrhage)
	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 and similar techniques

[WQ 435]	[This number not used]
	Classify embryotomy in WQ 440.

WQ 440	Induction of labor. Therapeutic abortion. Techniques of induced abortion
	Cf. WQ 225 Spontaneous abortion and W 867 Crimimal 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

WQ 500	General works. Postnatal care

WQ 505	Puerperal infection