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Biomedical subjects

H M Kwak

Publications and source records attributed to H M Kwak.

12 recordsLinked to original sources
PubMed1992

Government-funding program on reversal of tubal sterilization.

Three hundred and sixty-one women were provided government-funded sterilization reversal services with the technique of microsurgery. A large majority of reasons (89.8%) for requesting reversal surgery was a loss of children, and the mean interval between sterilization and reversal was 28.7 months. Two hundred and seven (69.7%) of 297 follow-up cases have experienced term delivery or intra-uterine pregnancy and 5 cases were ectopic pregnancy. The largest number of reversal clients (63.3%) were sterilized by the laparoscopic unipolar coagulation technique and the next largest group (24.2%) was sterilized by the laparoscopic banding technique. The highest pregnancy rate (77.8%) was shown in clients who had undergone laparoscopic banding technique while the lowest (65.9%) was the group of laparoscopic unipolar coagulation. A more than 60% of the clients became pregnant within 6 months of their reversal surgery, with the shortest interval being 1 month, the longest 39 months, and the mean 7.6 months. A large majority of the successful cases, 81.6%, were pregnant within 1 year of their reversal surgery.

Adult↗
PubMed1983

Effects of combined oral contraceptive steroids on pituitary-ovarian function during the menstrual cycle of lactating women.

The object of this study was to investigate the effects of combined oral contraceptives on pituitary-ovarian function during the menstrual cycle of lactating women whose prolactin levels were usually elevated. Five of six lactating women studied were considered to have the normal menstrual cycle which was comparable to the presumptive ovulatory cycle of non-puerperal women. The patterns of serum LH and FSH as well as estradiol and progesterone during the menstrual cycle of lactating women were quantitatively and qualitatively, similar to those of non-puerperal women. Prolactin levels, however, were elevated throughout the cycle of lactating women as compared with those of non-puerperal women. Treatment with combined oral contraceptive steroids abolished a midcycle surge of LH and decreased ovarian steroids during the menstrual cycle of lactating women. Serum prolactin levels were also decreased throughout the cycle treated with contraceptives in lactating women.

Adult↗
PubMed1980

Timing of laparoscopic sterilization in abortion patients.

A total of 1604 laparoscopic sterilization procedures with variable time intervals after first trimester therapeutic abortion were performed at the Severance Hospital of the Yonsei University College of Medicine, Seoul, Korea, from May 1973 to October 1975. Two hundred fourteen women were sterilized immediately at the time of abortion; 359 were sterilized between 1 and 42 days later; and the remaining 1031 women were sterilized 43 or more days after abortion. Electrocoagulation and tubal ring application were the tubal occlusion techniques used. The findings indicate that patients who underwent the combined abortion-sterilization procedure did not encounter higher rates of technical problems and/or complications than the other 2 groups. Only a few of these 1604 women studied had potentially serious complications that necessitated subsequent laparotomy, hospitalization after sterilization, and/or hospital readmission.

Abortion, Therapeutic↗
PubMed1980

Menstrual pattern changes in laparoscopic sterilization patients whose last pregnancy was terminated by therapeutic abortion. A two-year follow-up study.

Women were used as their own controls in the comparison of presterilization and poststerilization menstrual patterns. Five parameters were studied: regularity of cycle length, duration and amount of flow and incidence of dysmenorrhea and intermenstrual bleeding. Three parameters in the electrocoagulation group (regularity of cycle length and duration and amount of flow) and one parameter in the tubal ring group(duration of flow) showed significant changes after sterilization. However, by controlling for the effect of previous contraceptive methods used, no significant menstrual pattern changes following sterilization were discerned in either technique group.

Abortion, Therapeutic↗