Seang Lin Tan
ORCID: 0000-0001-5311-1255
· 19 papers in corpus
meta-analysis
2026
Letrozole and other aromatase inhibitors are increasingly recognized as first-line ovulation induction (OI) medications, offering an efficient and physiologic approach to ovarian stimulation that enhances outcomes in reproductive medicine. …
observational
2025
Background: Despite significant advances in assisted reproductive technology (ART), disparities in clinical outcomes persist. While patient-related factors are well-studied, the role of partner ethnicity remains understudied. We hypothesize…
observational
2023
BACKGROUND: This study aims to determine whether pre or post-processing semen parameters obtained during intrauterine insemination (IUI) predict pregnancy when controlling for confounding effects. MATERIALS AND METHODS: A prospective cohor…
observational
2020
OBJECTIVE: To determine whether 2 months of pretreatment with 5 mg of letrozole daily plus leuprolide acetate at 3.75 mg monthly in women with laparoscopically confirmed American Society of Reproductive Medicine stage I-II endometriosis imp…
observational
2019
OBJECTIVE: To compare the influence of dual suppression with the use of GnRH agonist plus aromatase inhibitor compared with suppression with the use of GnRH agonist alone or no suppression at all in patients with idiopathic recurrent implan…
other
2018
RESEARCH QUESTION: Does the addition of an aromatase inhibitor improve IVF outcomes in women with endometriomas when pretreating them with gonadotrophin-releasing hormone agonists? DESIGN: Retrospective two-centre cohort study involving 12…
lab-animal
2017
Intrauterine devices (IUDs) have been widely used to prevent pregnancies with great efficacy during decades. It has been demonstrated that IUD alters the endometrial gene expression, but there is no scientific data about how copper, a metal…
observational
2015
Objective: This study was undertaken to evaluate the effects of different stages of endometriosis on the outcome of treatment in an in vitro fertilization (IVF) program. Methods: This was a retrospective, matched case-control study in an ac…
case-report
2014
OBJECTIVE: To compare complication rates and pain scores after oocyte pickup (OPU) in in vitro maturation (IVM) and IVF cycles. DESIGN: Retrospective cohort study. SETTING: University-affiliated ART center. PATIENT(S): One hundred eighty…
observational
2010
OBJECTIVE: To evaluate the effects of ovarian endometrioma on the number of oocytes retrieved for IVF. DESIGN: Retrospective case control study. SETTING: University-based tertiary medical center. PATIENT(S): We studied 81 women with unil…
case-report
2007
OBJECTIVE: To report a new indication for fertility preservation. DESIGN: Case report. SETTING: Academic teaching hospital. PATIENT(S): A 25-year-old nulliparous woman with severe and symptomatic endometriosis and low antral follicular c…
observational
2006
OBJECTIVE: This study was undertaken to evaluate the effects of different stages of endometriosis on the outcome of treatment in an in vitro fertilization (IVF) program. METHODS: This was a retrospective, matched case-control study in an a…
rct
2005
PURPOSE: To compare the efficiency and efficacy of two starting doses of recombinant FSH (follitropin-beta, Puregon) in women undergoing IVF treatment. METHODS: This prospective, randomized, double-blind, multicentric (N = 6) study include…
2003
observational
1999
OBJECTIVES: To assess the effect of short-term (2-3 weeks) pituitary suppression and controlled ovarian stimulation on ovarian and uterine artery Doppler measurements during the in vitro fertilization (IVF) treatment cycle and to compare th…
1998
rct
1998
OBJECTIVE: To compare the incidence and severity of local side effects of urinary-derived gonadotropins administered s.c. and i.m.. DESIGN: Prospective randomized study of women undergoing IVF treatment. SETTING: Tertiary referral center …
observational
1995
A total of 96 women undergoing in vitro fertilization (IVF) treatment were studied on the day of human chorionic gonadotropin (hCG) administration by transvaginal ultrasonography with color and pulsed Doppler ultrasound. We assessed endomet…
observational
1994
OBJECTIVE: To compare the midluteal uterine artery impedance to blood flow as measured by the pulsatility index in women with different causes of infertility with that of women with normal fertility and to correlate this with endometrial th…