Placenta previa, maternal smoking and recurrence risk

Monica, G.; Lilja, Christine

doi:10.3109/00016349509024425

Cited by 59 publications

(27 citation statements)

References 18 publications

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“…This is consistent with earlier studies where multiparity is reported as a risk factor. [3][4][5][6]13 In our study 41patients had history of previous cesarean sections accounting to 73.2%. Previous cesarean section has been reported as the most common risk factor for Placenta Previa in earlier studies also.…”

Section: Discussionmentioning

confidence: 53%

“…5,6,16 But none of the patients in our study had a history of smoking. This can be because of different demographic profile and behaviour of different populations.…”

mentioning

confidence: 75%

“…2 Multiparity, advanced maternal age, cigarette smoking, previous caesarean delivery, history of abortions or uterine surgical procedures are some of the risk factors contributing to the development of placenta previa. [3][4][5][6][7] Massive obstetrical haemorrhage in placenta previa is associated with severe maternal morbidity and mortality. In a report of Registrar General India, haemorrhage accounts for 38% amongst all causes of maternal deaths.…”

Section: Introductionmentioning

confidence: 99%

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Current placenta previa management and outcome in a rural tertiary care centre

Sood

Sharma

Nagpal

et al. 2017

Int J Reprod Contracept Obstet Gynecol

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Background: The reported incidence for placenta previa averages 0.3% or 1 case in 300 to 400 deliveries. Multiparity, advanced maternal age, cigarette smoking, previous caesarean delivery, history of abortions or uterine surgical procedures are some of the risk factors contributing to the development of placenta previa. Massive obstetrical haemorrhage in placenta previa is associated with severe maternal morbidity and mortality. A significant number of mothers can be saved if right approach of management is followed in placenta previa.Methods: The present case study is a retrospective analysis carried out in a tertiary care centre to study the risk factors and maternal and perinatal outcome in cases of placenta previa. The study included antenatal patients diagnosed as placenta previa on sonography at or >26 weeks of pregnancy. Data was compiled and statistically analysed.Results: Incidence of Placenta Previa in our study was 0.54%. 73.2% patients had history of previous cesarean sections. 53.6% patients were referred from outside. 98.2% patients delivered by caesarean section. Obstetric hysterectomy was required in 3.5% of total cases. 10.7% cases required the ICU admission after delivery. There was no maternal mortality in the study group. The mean gestational age at delivery was 35±2.4weeks. The mean APGAR at 5 min was 9±2.2.Conclusions: Increasing rates of caesarean sections in present era indicate that incidence of Placenta Previa is expected to rise. Good antenatal care, availability of emergency obstetric services, infrastructure, blood bank facility, HDU and ICU care and NICU services can improve maternal and neonatal outcome.

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Section: Discussionmentioning

confidence: 53%

“…5,6,16 But none of the patients in our study had a history of smoking. This can be because of different demographic profile and behaviour of different populations.…”

mentioning

confidence: 75%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Current placenta previa management and outcome in a rural tertiary care centre

Sood

Sharma

Nagpal

et al. 2017

Int J Reprod Contracept Obstet Gynecol

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“…Placenta previa is one of the most common examples of impairment in placental vasculature development. Several studies have shown an association between increased incidence of placenta previa and the dose of tobacco consumed [45] . However, the exact mechanism whereby PMSE induces placenta previa remains speculative.…”

Section: Placentationmentioning

confidence: 99%

Smoking-Induced Changes in the Maternal Immune, Endocrine, and Metabolic Pathways and Their Impact on Fetal Growth: A Topical Review

Sabra

Gratacós²,

Roig³

2017

Fetal Diagn Ther

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Perinatal maternal smoking exposure (PMSE) is one of the major environmental risk factors encountered by the fetus. PMSE is usually associated with adverse pregnancy outcomes that may manifest at different stages of life. Nevertheless, fetal growth restriction is the most common smoking-induced side effect. PMSE induces changes in the maternal multiple organ systems. These alterations may affect placentation, which subsequently affects fetal growth. It is worthy to note, however, that the extent of maternal smoking-induced changes depends mainly on the maternal level of susceptibility. Hence, the perinatal pregnancy outcomes vary depending on the interaction between the triad: the maternal, fetal, and placental modifications, making it more complex. In this review, we try to unveil the effect of smoking-induced maternal changes on the maternal immune, endocrine, and metabolic pathways and their impact on fetal growth.

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“…For example, case control studies using Washington State birth certificate data estimated that smokers during pregnancy have twice the risk of placenta praevia, a relationship confirmed in a cohort study from the Swedish Medical Birth Registry that examined records of 1.8 million deliveries in that country from [1973][1974][1975][1976][1977][1978][1979][1980][1981][1982][1983][1984][1985][1986][1987][1988][1989][1990] [7,8]. An increase in the odds of premature rupture of membranes associated with smoking has been estimated between 1.6 and 2.1 [9,10].…”

Section: Introductionmentioning

confidence: 93%

Maternal Smoking and the Timing of WIC Enrollment

Yunzal-Butler

Joyce

Racine

2009

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We investigate the association between the timing of enrollment in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) and smoking among prenatal WIC participants. We use WIC data from eight states participating in the Pregnancy Nutrition Surveillance System (PNSS). Women who enroll in WIC in the first trimester of pregnancy are 2.7 percentage points more likely to be smoking at intake than women who enroll in the third trimester. Among participants who smoked before pregnancy and at prenatal WIC enrollment, those who enrolled in the first trimester are 4.5 percentage points more likely to quit smoking 3 months before delivery and 3.4 percentage points more likely to quit by postpartum registration, compared with women who do not enroll in WIC until the third trimester. Overall, early WIC enrollment is associated with higher quit rates, although changes are modest when compared to the results from smoking cessation interventions for pregnant women.

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Placenta previa, maternal smoking and recurrence risk

Cited by 59 publications

References 18 publications

Current placenta previa management and outcome in a rural tertiary care centre

Current placenta previa management and outcome in a rural tertiary care centre

Smoking-Induced Changes in the Maternal Immune, Endocrine, and Metabolic Pathways and Their Impact on Fetal Growth: A Topical Review

Maternal Smoking and the Timing of WIC Enrollment

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