Correlation Between Coital Activity During Pregnancy and Premature Delivery Related to Prostanoid Receptor Polymorphisms
調査の概要
詳細な説明
During the past years there has been a conflict between different studies regarding the correlation between intercourse during pregnancy and early labor. Brustman et al showed that women that were at a high risk for early delivery and had intercourse and then an early labor had significantly increase uterine activity compared to women at low risk. Petridou et al showed that this risk is significantly higher at week 33 of gestation. However, the Cochrane Library summary leaves the question of correlation between intercourse and early labor unanswered. In Sayle et al's study showed no correlation between early delivery and intercourse. In 2004 Oguma described 3 polymorphisms in the Prostanoid receptor gene. These polymorphisms were correlated to increased activity of smooth muscles of bronchi in asthma. Since this gene is also expressed in the uterine muscles we wanted to determine whether there is a correlation between the three polymorphisms T-549C, C-441T, T-197C, G+1044A and early delivery due to intercourse.
- Brustman LS, Raptoulis M. Langer O, Anyaegbunam A & Merkatz IR. Changes in the pattern of uterine contractility in relationship to coitus during pregnancies at low and high risk for preterm labor. Obstet Gynecol 1989;73:166-168
- Petridou E, Salvnos H, Skalkidou A, Dessypris N, Moustaki M & Trichopoulos D. Are there common triggers of preterm deliveries. British J Obst Gynecol 2001;108:598-604)
- Kavanagh J, Kelly AJ & Thomas J. Sexual intercourse for cervical ripening and induction of labour. The Cochrane Database of Systematic Reviews 2001, Issuse 2.Art. No.:CD003093. DOI: 10.1002/14651858.CD003093
- Sayle AE, Savitz DA, Thorp JM, Hertz-Picciotto I & Wilcox AJ. Sexual activity during late pregnancy and risk of preterm delivery. Obstet Gynecol 2001;97:283-9)
- Bernal AL. Mechanisms of labour-biochemical aspects. BJOG 2003;110(Supp 20):39-45
- Oguma T, Palmer L, Birden E, Sonna LA, Asano K& Lilly CM. Role of prostanoid dp receptor variants in susceptibility to asthma. NEJM 2004;351:1752-63
研究の種類
連絡先と場所
研究場所
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Jerusalem、イスラエル、91031
- Shaare Zedek Medical Center
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- Women who start delivery in weeks 23-35 of pregnancy 12 hours after intercourese.
- Women who come for delivery after week 31 and have not had intercourse during the previous month.
- Women at term who have been sexually active during their pregnancy.
Exclusion Criteria:
- Any other women who come in for delivery.
研究計画
研究はどのように設計されていますか?
デザインの詳細
協力者と研究者
捜査官
- 主任研究者:Michael Schimmel, Prof.、Neonatology Unit, Shaare Zedek Medical Center, Jerusalem, Israel
出版物と役立つリンク
研究記録日
試験登録日
最初に提出
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最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
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最終確認日
詳しくは
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