Private and supportive consultations tailored to your concerns.

Gynaecologist in Singapore for Irregular Periods, Pelvic Pain & Hormonal Concerns

When symptoms start affecting your daily life, getting clarity matters.

At The O&G Specialist Clinic, our experienced gynaecologists provide personalised care for concerns such as painful or irregular periods, PMOS, endometriosis, pelvic pain, and hormonal imbalances; helping you better understand your body and treatment options with confidence.

MOH-Accredited Specialists

Experienced Gynaecologists

Personalised Women’s Health Care

Convenient Singapore Locations

Same-week appointments available

Clinics at Novena, Thomson & Mount Alvernia

Private & confidential consultation

Same-week appointments available

Clinics at Novena, Thomson & Mount Alvernia

Private & confidential consultation

This consultation is suitable if you:

Noticing Changes in Your Period or Ongoing Pelvic Pain?

Irregular periods, missed cycles, or persistent pelvic pain are often signs of an underlying hormonal or gynaecological condition. Getting an early diagnosis can help prevent symptoms from worsening and avoid long-term complications.

Common Symptoms of Irregular Periods & Pelvic Pain:

Delaying diagnosis can lead to worsening symptoms or complications. Early assessment helps identify the cause and start appropriate treatment.

Not sure what’s causing your symptoms? Speak to a gynaecologist this week.

Why You Shouldn’t Ignore These Symptoms

Some conditions may worsen over time if left untreated. Delaying evaluation may lead to:

Worsening pelvic pain (endometriosis)

Irregular ovulation affecting fertility

Hormonal imbalance progression (PMOS)

Larger ovarian cysts requiring intervention

Accurate Diagnosis for Irregular Periods & Pelvic Pain

Our gynaecologists use a structured diagnostic approach to identify the root cause of your symptoms, with extensive experience in managing complex and long-standing cases. We provide clear explanations so you fully understand your diagnosis and the next steps in your care.

Get clarity on your symptoms, without the guesswork.

Gynaecologist for Irregular Periods & PMOS in Singapore

Get care from qualified obstetricians and gynaecologists experienced in managing irregular periods, PMOS, pelvic pain, and other women’s health conditions.

Experienced O&G specialists in Singapore

Focus on PMOS, hormonal conditions & pelvic pain

Clinics located at Novena, Thomson & Mount Alvernia

Private, confidential, and patient-centred care

Same-week appointments available

Meet Our Gynaecologists

Dr. Loh Seong Feei

Founder & Medical Director

Senior fertility specialist with more than 30 years of experience, reproductive medicine, and minimally invasive gynaecological surgery.

Dr. Janice Tung

Consultant Obstetrician & Gynaecologist

Provides personalised fertility and women’s health care with a compassionate and patient-centred approach.

Dr. Tan Shu Qi

Consultant Obstetrician & Gynaecologist

Experienced in fertility care, reproductive health, general gynaecology, and obstetric care.

Dr. Serena Koh

Consultant Obstetrician & Gynaecologist

Provides comprehensive women’s health care, including fertility, pregnancy, endometriosis, and menopause management.

Dr. Marianne Hendricks

Senior Consultant Obstetrician & Gynaecologist
Fertility Specialist

Experienced fertility specialist focused on personalised reproductive care and assisted fertility treatment.

Dr. Lee Jiah Min

Senior Consultant Obstetrician & Gynaecologist
Level 3 Accredited Minimally Invasive Surgeon

Experienced in minimally invasive surgery, endometriosis treatment, and complex gynaecological care.

What to Expect During Your Gynaecology Consultation

Symptom & Cycle Review

We assess your menstrual history, symptoms, and concerns.

Examination & Tests

This may include ultrasound scans or blood tests to evaluate hormones.

Diagnosis

Your doctor explains the cause of your symptoms clearly.

Personalised Treatment Plan

Treatment may include medication, lifestyle guidance, or procedures where needed.

Follow-Up Care

Ongoing monitoring to ensure your condition improves.

Frequently Asked Questions

What causes irregular periods?

Irregular periods may be caused by PMOS, hormonal imbalance, stress, thyroid disorders, or other medical conditions.

PMOS is diagnosed based on symptoms, ultrasound findings, and hormone blood tests.

Mild cramps are common, but severe or persistent pain may indicate endometriosis or other conditions.

Do I need a scan during my visit?

Your doctor will advise if an ultrasound or further tests are necessary.

Consultation fees vary depending on your condition and whether additional tests (such as ultrasound or blood tests) are required. Our team will explain all recommended tests and fees clearly before proceeding, so you can make an informed decision about your care.

You should consider seeing a gynaecologist if you experience:

  • Irregular, missed, or delayed periods
  • Sudden acne, weight gain, or hair loss
  • Heavy or prolonged menstrual bleeding
  • Pain during intercourse
  • Pelvic or lower abdominal pain
What causes irregular periods?

Irregular periods may be caused by PMOS, hormonal imbalance, stress, thyroid disorders, or other medical conditions.

PMOS is diagnosed based on symptoms, ultrasound findings, and hormone blood tests.

Mild cramps are common, but severe or persistent pain may indicate endometriosis or other conditions.

Your doctor will advise if an ultrasound or further tests are necessary.

Consultation fees vary depending on your condition and whether additional tests (such as ultrasound or blood tests) are required. Our team will explain all recommended tests and fees clearly before proceeding, so you can make an informed decision about your care.

You should consider seeing a gynaecologist if you experience:

  • Irregular, missed, or delayed periods
  • Sudden acne, weight gain, or hair loss
  • Heavy or prolonged menstrual bleeding
  • Pain during intercourse
  • Pelvic or lower abdominal pain

Dr. Loh Seong Feei

Founder & Medical Director
MBBS (Singapore), M.Med (O&G) (Singapore), FRACOG (Australia), FRCOG (UK)

Dr Loh Seong Feei is a senior obstetrician & gynaecologist with more than 30 years of experience in fertility and reproductive medicine.

He was one of the founding doctors at KK Women’s and Children’s Hospital (KKH), where he previously served as Head of Reproductive Medicine and Director of KKIVF. He currently serves as Medical Director at Thomson Fertility Centre.

Clinical interests:

  • Fertility preservation
  • Reproductive medicine
  • Minimally invasive gynaecological surgery
  • Endometriosis, fibroids, and tubal disease
  • Complex and high-risk pregnancies

Dr. Janice Tung

Consultant Obstetrician & Gynaecologist
MBBS (Singapore), MRCOG (UK)

Dr Janice Tung provides fertility and women’s health care with a compassionate and patient-centred approach. She works closely with couples navigating fertility concerns, supporting them through each stage of assessment and treatment with clear communication and personalised care.

She is committed to helping patients better understand their options while providing practical, evidence-based guidance throughout their fertility journey.

Clinical interests:

  • Fertility assessment and treatment
  • Preconception counselling
  • Women’s reproductive health
  • Personalised fertility care

Dr. Tan Shu Qi

Consultant Obstetrician & Gynaecologist
MBBS (UK), MRCOG (UK)

Dr Tan Shu Qi is an experienced obstetrician & gynaecologist with clinical expertise in fertility care, general gynaecology, and obstetrics. Trained in both London and Singapore, she combines evidence-based medical care with a thoughtful and supportive approach to women’s health.

She is dedicated to helping patients navigate fertility and reproductive health concerns with clarity and confidence.

Clinical interests:

  • Fertility care and reproductive medicine
  • General gynaecology
  • Obstetric care and complex pregnancies
  • Women’s health screening
  • Preventive reproductive health

Dr. Serena Koh

Consultant Obstetrician & Gynaecologist
MBBS (Singapore), MRCOG (UK)

Dr Serena Koh provides comprehensive care across women’s health, pregnancy, and gynaecological conditions. She is experienced in managing both routine and high-risk pregnancies, as well as conditions such as endometriosis, fibroids, and menopausal concerns.

Dr Koh believes in supporting women through different stages of life with clear, holistic, and patient-focused care.

Clinical interests:

  • Fertility and reproductive health
  • High-risk and routine pregnancy care
  • Endometriosis and fibroids
  • Menopause management
  • Preventive women’s health

Dr. Marianne Hendricks

Senior Consultant Obstetrician & Gynaecologist
Fertility Specialist
MBBS (Singapore), MRCOG (UK)

Dr Marianne Hendricks is a senior fertility specialist with extensive experience in assisted reproductive care and fertility treatment. She previously served as Medical Director at the Centre for Assisted Reproduction (CARE).

Known for her patient-centred approach, Dr Hendricks supports women and couples through fertility treatment with compassionate and personalised care.

Clinical interests:

  • Fertility assessment and treatment
  • Assisted reproductive techniques
  • Women’s reproductive health
  • Personalised fertility care

Dr. Lee Jiah Min

Senior Consultant Obstetrician & Gynaecologist
Level 3 Accredited Minimally Invasive Surgeon
MBBS (Singapore), MRCOG (UK), FAMS

Dr Lee Jiah Min is an experienced obstetrician & gynaecologist with more than 20 years of clinical practice in women’s health, minimally invasive surgery, and obstetric care. She is known for her detailed and patient-focused approach, with extensive experience managing both routine and complex gynaecological conditions.

Her practice focuses on minimally invasive and advanced laparoscopic surgical techniques, including the management of endometriosis, fibroids, ovarian cysts, and hysteroscopic conditions.

Clinical interests:

  • Minimally invasive gynaecological surgery
  • Endometriosis and chronic pelvic pain
  • Fibroids and ovarian cysts
  • Advanced laparoscopic and hysteroscopic surgery
  • Obstetric and antenatal care
  • Complex gynaecological conditions