Conception probabilities at different days of menstrual cycle in Chinese women.

Objective: To investigate the conception probability among Chinese women.

Design: Prospective observational study.

Setting: Clinics in hospitals and family planning institutes in 10 provinces and cities.

[A study on the influence factors for social adaptive behavior of children].

Objective: To investigate the influence factors for social adaptive behavior of children.

Methods: Six hundred children of 6 to 12 years old were investigated with the adaptive behavior assessment form of American children (AAMD-ABS revised edition). The influence factors for social adaptability of children were analyzed by stepwise regression.

[Evaluation of safety in Chinese women with amenorrhea following injection of depot-medroxyprogesterone for contraception].

Objective: To determine whether serum estradiol (E2) level was low after Depot-medroxyprogesterone (DMPA) induced amenorrhea for contraception, thus to evaluate the safety of using DMPA.

Methods: Forty four Chinese women with amenorrhea after injecting DMPA were investigated, and the median period of amenorrhea was 18 months. Symptoms, pelvic examination, serum E2 and follicular stimulating hormone (FSH) levels, and vaginal cytology were examined.

The relationship between the vas volume and the anatomic size of the vas deferens.

The anatomic sizes of 210 vas segments from 107 volunteers of vasectomy were measured by computerized image graphic technique with microphotography. The mean equivalent-round, outer and inner diameters of the vas were 2.17 +/- 0.

[Effect of pretreatment counseling on discontinuation rates in women given depo-medroxyprogesterone acetate for contraception].

Objective: To investigate the effect of pre-treatment counseling on discontinuation rates of 150 mg depo-medroxyprogesterone acetate (DMPA), given for contraception.

Methods: A total of 421 women participated, 204 receiving intensive structured pre-treatment and on going counseling on the hormonal effects and probable side effects of DMPA and 217 receiving only routine counseling. All participants were followed up at every 3 months for 1 year.

Effect of pretreatment counseling on discontinuation rates in Chinese women given depo-medroxyprogesterone acetate for contraception.

The study examined the effect of pretreatment counseling upon discontinuation of 150 mg depo-medroxyprogesterone acetate (Depo-Provera (DMPA)), given for contraception. A total of 421 Chinese women participated, 204 receiving detailed structured pretreatment and ongoing counseling on the hormonal effects and probable side effects of DMPA and 217 receiving only routine counseling. The primary study endpoint was termination rate; secondary endpoints were frequency of medical events and reasons for termination.