Clinical analysis of transvaginal hydrolaparoscopy in infertile patients.

Objective: To evaluate the application of transvaginal hydrolaparoscopy for exploration of the pelvic cavity exploration in infertile women.

Study Design: A total of 510 infertile women were included in this study from May 1st, 2009 to April 30, 2012 in the clinic of the Hebei Research Institute for Family Planning.

Results: In 495 of 510 of the patients (97.

[Reproductive expectation and gender preferences of parents in poverty areas of China].

Objective: The reproductive goals of married couples living in impoverished areas of China affect survival rates and quality of life of female children in those areas. The goal of this study was to collect information on parents' attitudes toward reproduction, gender preferences/prejudices, and to collect relevant socioeconomic and demographic data.

Methods: Random sample families were enrolled from 3 poverty counties.

[Blood leptin level of 154 Chinese children 0 - 14 years of age].

Objective: To study blood Leptin level of 154 (78 male, 76 female) Chinese obese/non-obese children aged 0 - 14 years during 1999 - 2001.

Methods: The gender- and age-specific distribution pattern of Leptin and its relationship with anthropometric parameters (waist circumference, waist/hip ratio, lean body mass, fat mass, body fat percentage, BMI/Kaup index etc.) and blood insulin level were recorded.