The association between maternal characteristics and different types and levels of discordance in triplet pregnancies
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Shira Shmilovich-Baram
Abstract
Objective: This study evaluated the association of maternal factors known to influence outcomes of triplets, different discordance levels (<25, 25.1–35, and >35%), and three types (according to the birth weight of the middle-sized triplet) of birth weight discordance in triplets.
Methods: We used data collected by the Women's Health Division of Matria Healthcare, Inc. (Marietta, GA). We analyzed a cohort of 2706 triplet sets, to calculate the frequencies of different levels and types of birth weight discordance by maternal age, parity, weight, height, body mass index and weight gain at 24 weeks of gestation.
Results: We found a positive association between maternal parity and birth weight discordance level but no clear association between the other maternal factors and the level of discordance as well as the type of discordance. However, a trend was seen whereby overweight women had a trend towards the low-skew (a set comprising one large and two small triplets) type of birth weight discordance and an opposite trend in underweight women.
Conclusions: These results corroborate previous findings that nulliparity is associated with aberrant growth in triplet pregnancies.
©2008 by Walter de Gruyter Berlin New York
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Articles in the same Issue
- Prenatal long-chain polyunsaturated fatty acid status: the importance of a balanced intake of docosahexaenoic acid and arachidonic acid
- Population-based standardization (PBS) of institutional cesarean delivery rates
- Impact of high maternal hemoglobin at first antenatal visit on pregnancy outcomes: a cohort study
- Retrospective audit of outcome of regional anesthesia for delivery in women with thrombocytopenia
- The association between maternal characteristics and different types and levels of discordance in triplet pregnancies
- Obstetric gel shortens second stage of labor and prevents perineal trauma in nulliparous women: a randomized controlled trial on labor facilitation
- Fetal electrocardiographic monitoring during labor in relation to cord blood levels of the brain-injury marker protein S-100
- Nuchal cord in post-term pregnancy – relationship to suspected intrapartum fetal distress indicating operative intervention
- Risk assessment of trisomy 21 by maternal age and fetal nuchal translucency thickness in 7096 unselected pregnancies in Slovenia
- The association of hypotonia and depression in the term and near-term neonate with metabolic acidemia
- 17-Hydroxyprogesterone in premature infants as a marker of intrauterine stress
- Prenatal hypoxia preconditioning improves hypoxic ventilatory response and reduces mortality in neonatal rats
- Mortality and morbidity of neonates born at <26 weeks of gestation (1998–2003). A population-based study
- Conception without the development of a human being
- Intraplacental choriocarcinoma with fetomaternal hemorrhage: a case study and literature review
- Computerized FHR traces in post-term pregnancies
- Uterine activity monitoring during labor
- Congress Calendar
