Document Detail


Recent dramatic increase in the male-to-female sex ratio of babies born in Hong Kong.
MedLine Citation:
PMID:  20121569     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIMS: There is a rapid rise in the male-to-female sex ratio at birth in Hong Kong, which coincides with the influx of Mainland Chinese mothers crossing the border to give birth in Hong Kong. Our objective is to explore the sex ratio patterns among Hong Kong Chinese and Mainland Chinese. METHODS: Analysis of the statistics from Hong Kong public hospitals from 2003 to 2007. RESULTS: For the 194,602 babies studied, 140,962 (72.4%) were eligible (Hong Kong Chinese) and 52,741 (27.1%) were non-eligible (Mainland Chinese). The overall sex ratio at birth (defined as males per 1000 females) was 1088; 1078 for eligible and 1116 for non-eligible. For eligible persons, the sex ratios were 1060 for parity 0, 1073 for parity 1 and 1184 for parity 2 or above. For non-eligible persons, the sex ratios were 1047 for parity 0, 1149 for parity 1 and 1745 for parity 2 or above. Non-eligible persons of parity 1 or above were more likely to have sons than eligible persons of same parity (P<0.000). CONCLUSION: We believe that the rapid rise of sex ratio in Hong Kong can be partly explained by the influx of Mainland Chinese who may have practiced sex selection more than Hong Kong Chinese.
Authors:
Grace Ying Wong; Wing Cheong Leung; Robert Kien Howe Chin
Related Documents :
20299069 - Effects of cadmium, estradiol-17beta and their interaction on gonadal condition and met...
18831689 - Climate change and temperature-dependent sex determination: can individual plasticity i...
18539709 - Neurocognitive abnormalities in offspring of mothers with systemic lupus erythematosus.
11742549 - Queen-worker conflict over male production and the sex ratio in a facultatively polyand...
19195379 - Population biology and feeding habits of the nephropid lobster metanephrops thomsoni (b...
11860609 - The influence of age on the female/male ratio of treated incidence rates in depression.
11445259 - Effects of age on tissues and regions of the cerebrum and cerebellum.
23225279 - A study of bone mineral density and prevalence of osteoporosis in chinese people of han...
21644949 - Fitness cost of pheromone production in signaling female moths.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of perinatal medicine     Volume:  38     ISSN:  1619-3997     ISO Abbreviation:  J Perinat Med     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-03-04     Completed Date:  2010-06-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0361031     Medline TA:  J Perinat Med     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  209-13     Citation Subset:  IM    
Affiliation:
Department of Obstetrics and Gynecology, Princess Margaret Hospital, Kowloon, Hong Kong. wongyinggrace@gmail.com
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
China / ethnology
Female
Hong Kong
Humans
Infant, Newborn
Male
Pregnancy
Retrospective Studies
Sex Preselection / statistics & numerical data*
Sex Ratio

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Medical and nursing students attitudes towards interprofessional education in Nepal.
Next Document:  Infectious Mononucleosis in University Students in the United Kingdom: Evaluation of the Clinical Fe...