China fertility report, 2006–2016

He, Dan; Zhang, Xuying; Zhuang, Yaer; Wang, Zhili; Jiang, Yu

doi:10.1007/s42379-019-00022-9

Cited by 28 publications

(22 citation statements)

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“…The rate of HDFN was modelled using published data from the following countries: Australia, Brazil, China, India, Japan, Nigeria, Trinidad and Tobago and United States [7–41]. Critical assumptions used in the model, that is, the computation of HDFN risk based on the independent variables employed, and supporting literature are provided in Table 1.…”

Section: Methodsmentioning

confidence: 99%

“…This 21% alloimmunization rate was modelled using a binomial random variate and was utilized for all of the countries simulated. 14Á8 [17] 24Á3 [33] 20Á5 [41] 33Á3 [21] 23.8 [30] 31.5 [38] 33.5 [14] 18.5 [35] Anti-D immunization rate (%) [23,24,40 23Á3 (27-month IPI) [18] 30Á2 [25] 25Á8 [36] 32.6 [12] 21.6 (15-month IPI) [15] 24.2 (24-month IPI) [32] 29.4 [7] 3rd birth 33Á2 (24-month IPI) [32] 25Á5 (27-month IPI) [18] 31Á4 [25] 27Á4 [36] 33.6 [12] 22.9 (15-month IPI) [15] 26.2 (24-month IPI) [32] 30.6 [7] 4th birth 35Á2 (24-month IPI) [32] 27Á7 (27-month IPI) [18] 33Á4 (24-month IPI) [32] 29Á0 [36] 35.6 (24-month IPI) [32] 24.2 (15-month IPI) [15] 28.2 (24-month IPI) [32] 31.7 [7] 5th birth 37Á2 (24-month IPI) [32] 29Á9 (27-month IPI) [18] 35Á4 (24-month IPI) [32] 31Á0 [36] 37.6 (24-month IPI) [32] 25.5 (15-month IPI) [15] 30.2 (24-month IPI) [32] 32.7 [7] 6th birth 39Á2 (24-month IPI) [32] 32Á1 (27-month IPI) [18] 37Á4 (24-month IPI)…”

Section: Derivation Of Anti-rh(d) Alloimmunization Ratementioning

confidence: 99%

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The risk to future pregnancies of transfusing Rh(D)‐negative females of childbearing potential with Rh(D)‐positive red blood cells during trauma resuscitation is dependent on their age at transfusion

et al. 2021

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Background A risk assessment model for predicting the risk of haemolytic disease of the fetus and newborn (HDFN) in future pregnancies following the transfusion of Rh(D)‐positive red blood cell (RBC)‐containing products to females of childbearing potential (FCP) was developed, accounting for the age that the FCP is transfused in various countries. Methods The HDFN risk prediction model included the following inputs: risk of FCP death in trauma, Rh(D) alloimmunization rate following Rh(D)‐positive RBC transfusion, expected number of live births following resuscitation, probability of carrying an Rh(D)‐positive fetus, the probability of HDFN in an Rh(D)‐positive fetus carried by an alloimmunized mother. The model was implemented in Microsoft R Open, and one million FCPs of each age between 18 and 49 years old were simulated. Published data from eight countries, including the United States, were utilized to generate country‐specific HDFN risk estimates. Results The risk predictions showed similar characteristics for each country in that the overall risk of having a pregnancy affected by HDFN was higher if the FCP was younger when she received her Rh(D)‐positive transfusion than if she was older. In the United States, the overall risk of HDFN if the FCP was transfused at age 18 was 3·4% (mild: 1·20%, moderate: 0·45%; severe: 1·15%; IUFD: 0·57%); the risk was approximately 0% if the FCP was 43 years or older at the time of transfusion. Conclusion This model can be used to predict HDFN outcomes when establishing transfusion policies as it relates to the administration of Rh(D)‐positive products for massively bleeding FCPs.

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Section: Methodsmentioning

confidence: 99%

Section: Derivation Of Anti-rh(d) Alloimmunization Ratementioning

confidence: 99%

The risk to future pregnancies of transfusing Rh(D)‐negative females of childbearing potential with Rh(D)‐positive red blood cells during trauma resuscitation is dependent on their age at transfusion

et al. 2021

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“…15 In China, the average age at which women deliver their first child advanced from 24.3 years in 2006 to 26.9 years in 2015. 17 Along with the increased maternal age, the prevalence of twin pregnancies rose from 1.64% to 2.17% across the country between 2007 and 2014. 1 The tendency of postponed childbearing age is expected to continue, accompanied by a growing prevalence of twinning.…”

Section: Discussionmentioning

confidence: 99%

Is Adherence to the Provisional Institute of Medicine Guidelines of Weight Gain Associated With Better Perinatal Outcomes? A Retrospective Cohort Study of Twin Pregnancies in Southwest China

Yan

Tang

2021

Asia Pac J Public Health

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The applicability of the Institute of Medicine (IOM) recommendations of gestational weight gain (GWG) for Chinese twin gestations is uncertain. In this article, we aimed to investigate the associations between GWG among twin gestations, as categorized according to the 2009 IOM guidelines and perinatal outcomes in Chengdu, China. A retrospective cohort study of pregnant women delivering live twins ≥28 weeks at a tertiary maternal and child hospital was conducted. The incidences of perinatal outcomes were compared across 3 groups—that is, women with low, adequate, and excessive GWG. Logistic regression analyses were next performed to confirm the associations while taking into account potential confounders. Results showed that low GWG was associated with a higher risk of preterm birth, low and very low birthweight, neonatal intensive care unit admission, and gestational diabetes, whereas preeclampsia was more frequent among excessive GWG women. In conclusion, adherence to the 2009 IOM guidelines for twin pregnancies are associated with improved perinatal outcomes. This has the potential to improve short- and long-term public health outcomes.

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“…Influenced by Confucianism and a filial piety culture that values family continuity, married women are under significant pressure to fulfill their family responsibilities (Chen, 2018). In China, at the age of 30 years, most women are married, with the corresponding numbers being 82.0% in the urban area and 94.6% in the rural area (He et al, 2019). For married women without children, childbearing expectations from their families may lead to increased stress and consequent depressive symptoms (Logan et al, 2019).…”

Section: Discussionmentioning

confidence: 99%