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.
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".
Below are MeSH descriptors whose meaning is more specific than "Pregnancy Trimester, First".
This graph shows the total number of publications written about "Pregnancy Trimester, First" by people in this website by year, and whether "Pregnancy Trimester, First" was a major or minor topic of these publications.
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| Year | Major Topic | Minor Topic | Total |
|---|
| 2007 | 1 | 0 | 1 |
| 2013 | 0 | 1 | 1 |
| 2015 | 0 | 1 | 1 |
| 2017 | 1 | 0 | 1 |
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Below are the most recent publications written about "Pregnancy Trimester, First" by people in Profiles.
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Comparison of first trimester transvaginal anatomy scan to the second trimester structural survey in normal weight and obese populations: a pilot study. J Matern Fetal Neonatal Med. 2018 Sep; 31(17):2319-2324.
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When Timing Is Everything: Are Placental MRI Examinations Performed Before 24 Weeks' Gestational Age Reliable? AJR Am J Roentgenol. 2015 Sep; 205(3):685-92.
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The risk of congenital malformations associated with exposure to ?-blockers early in pregnancy: a meta-analysis. Hypertension. 2013 Aug; 62(2):375-81.
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First-trimester sonography: is the fetus exposed to high levels of acoustic energy? J Clin Ultrasound. 2007 Jun; 35(5):245-9.
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A randomized clinical trial of prophylaxis for vacuum abortion: 3 versus 7 days of doxycycline. Obstet Gynecol. 2003 Apr; 101(4):726-31.