S S Ratnam

No ORCID on file · 11 papers in corpus · active 1976-1998

Study types

  • article 11

Condition tags

  • endometriosis 11
  • infertility 5
article 1998
A new molecular variant of luteinizing hormone associated with female infertility
Fertility and Sterility ·doi:10.1016/s0015-0282(97)00445-7
article 1997
A series of ovarian clear cell and endometrioid carcinoma and their association with endometriosis.
Singapore medical journal

AIM: To present our department's experience with clear cell carcinoma and endometrioid carcinoma of the ovary, paying particular attention to their relationship with endometriosis and concomitant endometrial pathology. METHOD: Retrospective…

article 1990
Elevated peritoneal fluid luteinizing hormone and prolactin concentrations in infertile women with endometriosis
International Journal of Gynecology & Obstetrics ·doi:10.1016/0020-7292(90)90652-2

In this study, we compared (Mann-Whitney U-test) the peritoneal fluid FSH, LH and PRL levels, measured by RIA, at the follicular and luteal phases of the menstrual cycle in women with (n = 43; age 25-44 years) and with no evidence of endome…

article 1988
Eighty consecutive cases of gamete intra-Fallopian transfer*
Human Reproduction ·doi:10.1093/oxfordjournals.humrep.a136683

Eighty patients with the main problems of unexplained infertility, oligospermia and endometriosis were treated with gamete intra-Fallopian transfer (GIFT). From 80 treatment cycles, 29 women conceived (36.3%). Of these, four were biochemica…

article 1988
Gamete intrafallopian transfer (GIFT): an alternate method of conception in couples with unexplained infertility, endometriosis and oligo-asthenospermia.
Annals of the Academy of Medicine, Singapore

138 treatment cycles of GIFT were carried out in couples with mainly unexplained infertility, endometriosis and male factor. The overall pregnancy rate was 24.6%, abortion 29.2%, multiple pregnancy 20.6% and ectopic pregnancy 0%. Four oocyt…

article 1987
A comparative study of peritoneal fluid concentrations of oestradiol-17 beta, progesterone, and testosterone in controls and in patients with endometriosis.
Annals of the Academy of Medicine, Singapore

To ascertain whether a cyclical variation exists in the steroid hormone concentration of the peritoneal fluid between controls and patients with endometriosis, we set out to measure the concentration of oestradiol--17 beta (E2), progesteron…

article 1986
Expectant Treatment Versus Conservative Treatment in the Management of Mild Endometriosis
Asia-Oceania journal of obstetrics and gynaecology ·doi:10.1111/j.1447-0756.1986.tb00159.x

Abstract This is a retrospective analysis of 157 subfertile patients with mild endometriosis confirmed at laparoscopy. 80.3% of them were Chinese and the Malays and Indians accounted for 8.9% and 8.3% of the cases respectively. Most of the …

article 1984
Effects of norethisterone on coagulation and fibrinolysis in Asian women.
Singapore medical journal

High doses of norethisterone in 70 Asian women treated for endometriosis were found to affect the blood coagulation factors as well as the cellular components of the blood. Fibrinogen levels were decreased (P<0.01). Prothrombin increased si…

article 1984
Endometriosis in Asian women: a retrospective study.
Singapore medical journal
article 1976
Experience of a comprehensive infertility clinic in the Department of Obstetrics and Gynaecology, University of Singapore.
Singapore medical journal

The diagnosis, treatment, and pregnancy outcome for 709 infertile couples who attended the comprehensive infertility clinic of the University of Singapore's Department of Obstetrics and Gynecology from 1970-1974 are presented. Investigation…

article 1976
Laparoscopic Ventrosuspension
·doi:10.1111/j.1479-828x.1976.tb02651.x

Summary: Laparoscopic ventrosuspension using the Wolf's laparoscope and 25 cm Rumel's thoracic artery forceps is described. The procedure was performed on 80 patients where laparoscopic investigation was required for diagnosis of subfertili…