Pregnancy Trimester, First

"Pregnancy Trimester, First" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

MeSH information

Definition | Details | More General Concepts | Related Concepts | More Specific Concepts

The beginning third of a human PREGNANCY, from the first day of the last normal menstrual period (MENSTRUATION) through the completion of 14 weeks (98 days) of gestation.

Descriptor ID	D011261
MeSH Number(s)	G08.686.707.408
Concept/Terms	Pregnancy Trimester, First Pregnancy Trimester, First First Pregnancy Trimester First Pregnancy Trimesters Pregnancy Trimesters, First Early Placental Phase Early Placental Phases Phase, Early Placental Phases, Early Placental Placental Phase, Early Placental Phases, Early Pregnancy, First Trimester First Trimester Pregnancies First Trimester Pregnancy Pregnancies, First Trimester Trimester, First First Trimester First Trimesters Trimesters, First

Below are MeSH descriptors whose meaning is more general than "Pregnancy Trimester, First".

Biological Sciences [G]
Reproductive and Urinary Physiological Phenomena [G08]
Reproductive Physiological Phenomena [G08.686]
Pregnancy Trimesters [G08.686.707]
Pregnancy Trimester, First [G08.686.707.408]

Below are MeSH descriptors whose meaning is related to "Pregnancy Trimester, First".

Below are MeSH descriptors whose meaning is more specific than "Pregnancy Trimester, First".

publications

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