Search Results - "Ratnam, Shan S."

Effects on hemostasis after two-year use of low dose combined oral contraceptives with gestodene or levonorgestrel by Prasad, R N, Koh, S C, Viegas, O A, Ratnam, S S

“…We studied 67 healthy women who were randomly allocated to receive third generation gestodene (Gynera) or second generation levonorgestrel (Microgynon 30)…”
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Preeclampsia: Haemostatic Status and the Short-Term Effects of Methyldopa and Isradipine Therapy by Yin, Kyi Htay, Koh, Stephen C. L., Malcus, Peter, Sven, Montan S, Biswas, Arjit, Arulkumaran, S., Ratnam, Shan S

“…Objective: To determine the haemostatic status in preeclampsia and to investigate the effects of short‐term use of anti‐hypertensive drugs, methyldopa and…”
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Implanon ® contraceptive implants: effects on carbohydrate metabolism by Biswas, Arijit, A.C. Viegas, Osborne, Coeling Bennink, Herjan J.T, Korver, Tjeed, Ratnam, Shan S

“…The objective of the study was to assess the possible differences in effects of Implanon ® and Norplant ® implants on carbohydrate metabolism. This is a 2-year…”
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Effects of propofol on gravid human uterine muscle by Lee, Tat-Leang, Adaikan, P Ganesan, Lau, Lang Chu, Kumar, Ashok, Ratnam, Shan S

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Effects of propofol on guinea pig respiratory smooth muscle by Lee, Tat-Leang, Adaikan, P Ganesan, Lau, Lang-Chu, Kumar, Ashok, Ratnam, Shan S

“…The effects of propofol on the tone of guinea pig respiratory smooth muscle was studied both in vitro and in vivo. In vitro, the activity of propofol on…”
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DIRECT FETAL THERAPY FOR HYDROPS SECONDARY TO CONGENITAL ATRIOVENTRICULAR HEART BLOCK by Anandakumar, Chinnaya, Biswas, Arijit, Chew, Stephen S. L, DMU, Dawn Chia, Wong, Yee C, Ratnam, Shan S

“…BACKGROUNDThe outcome for the fetus with hydrps fetalis secondary to complete congenital heart block is almost uniformly poor. Transplacental fetal therapy…”
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Effect of Implanon ® use on selected parameters of thyroid and adrenal function by Biswas, Arijit, Viegas, Osborne A.C., Bennink, Herjan J.T.Coeling, Korver, Tjeerd, Ratnam, Shan S.

“…In this article, the effects of Implanon ® implant use on thyroid and adrenal function was compared with those of Norplant ® implants. In this 2-year open…”
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The effects of long-term hormone-replacement therapy on coagulation, fibrinolysis and inhibitors in postmenopausal women by Koh, S.C.L, Dramusic, V, Shan Ratnam, S

“…Objective: To study the long-term effects of hormone-replacement therapy (HRT). Methods: Twenty-one menopausal Chinese women who were currently on HRT were…”
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Molecular variants of luteinizing hormone in three populations of Southeast Asia by Ramanujam, L, Liao, W X, Roy, A C, Ng, S C, Ratnam, S S

“…Three populations of Southeast Asia comprising 191 Chinese, 121 Malays and 150 Indians, were studied with respect to two recently described mutant luteinizing…”
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Audible in utero sound caused by the ultrasonic radiation force from a real-time scanner by Arulkumaran, S, Talbert, D G, Nyman, M, Westgren, M, Su, H T, Ratnam, S S

“…While investigating in utero sound levels during vibro-acoustic stimulation on the maternal abdomen it was noticed that noise level increased when the…”
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Fetal and neonatal haemodilution associated with multiple placental chorioangioma: case report by Montan, S, Anandakumar, C, Joseph, R, Arulkumaran, S, Ng, S C, Ratnam, S S

“…A pregnancy with polyhydramnios and abnormal antepartum fetal heart rate pattern was found to have multiple placental haemangiomas. Multiple placental…”
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Oxytocinase activity in human amniotic fluid and its relationship to gestational age by Roy, A C, Kottegoda, S R, Viegas, O A, Ratnam, S S

“…Oxytocinase (EC 3.4.11.3) activity in amniotic fluid samples obtained from 200 normal pregnant women (mean age, 28 years) between 14 and 40 weeks of gestation…”
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A new molecular variant of luteinizing hormone associated with female infertility by Liao, W X, Roy, A C, Chan, C, Arulkumaran, S, Ratnam, S S

“…To investigate whether the newly described G1502 to A1502 mutation in exon 3 of the LH beta-subunit gene, causing the amino acid substitution of Ser102 for…”
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Effects of methyldopa on uteroplacental and fetal hemodynamics in pregnancy-induced hypertension by Montan, S, Anandakumar, C, Arulkumaran, S, Ingemarsson, I, Ratnam, S S

“…Our purpose was to study the effect of methyldopa on uteroplacental and fetal hemodynamics in women with pregnancy-induced hypertension. A prospective study of…”
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Identification of seven novel mutations in LH beta-subunit gene by SSCP by Roy, A C, Liao, W X, Chen, Y, Arulkumaran, S, Ratnam, S S

“…Seven new point mutations have been identified from LH beta-subunit gene by PCR-mediated SSCP, and sequencing. One mutation was found changing amino acid from…”
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Microinjection of human oocytes: a technique for severe oligoasthenoteratozoospermia by Ng, S C, Bongso, A, Ratnam, S S

“…To determine outcome after microinjection with very poor quality sperm and after failed fertilization. Group 1, fresh oocytes from patients with very low sperm…”
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Prostaglandins, not cyclic GMP, inhibit oxytocinase isoenzymes from human amniotic fluid in vitro by Roy, A C, Yeang, M, Tan, S M, Kottegoda, S R, Ratnam, S S

“…Two isoenzymes of oxytocinase (EC 3.4.11.3) activity were fractionated from human amniotic fluid samples between the 14th and 22nd weeks of gestation by…”
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Effect of methyldopa and isradipine on fetal heart rate pattern assessed by computerized cardiotocography in human pregnancy by Wide-Swensson, D, Montan, S, Arulkumaran, S, Ingemarsson, I, Ratnam, S S

“…The effects of two antihypertensive drugs, methyldopa and isradipine, on fetal heart rate pattern were analyzed by computerized cardiotocography. The first…”
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Effect of growth hormone therapy in men with severe idiopathic oligozoospermia by Lee, K O, Ng, S C, Lee, P S, Bongso, A T, Taylor, E A, Lin, T K, Ratnam, S S

“…Some studies have suggested that growth hormone (GH) may enhance folliculogenesis in women, and similarly may enhance spermatogenesis in men with…”
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Biosynthesis of prostaglandins by human spermatozoa in vitro and their role in acrosome reaction and fertilization by Roy, A C, Ratnam, S S

“…Five homogenates of human sperm cells were separately incubated with [14C]arachidonic acid in the presence of reduced glutathione, L-tryptophan, and haematin…”
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