About
Specializing in Obstetrics and Gynecology, Dr. Marquis Moses Aniedi-Abasi Okon (an OBGYN) is committed to delivering personalized and evidence-based care to patients in St Catharines, fostering a supportive healthcare environment. Practicing at a clinic and/or hospital setting in St Catharines, ON, he offers accessible and high-quality care to the community. The facility is located in the areas near central St Catharines, easily accessible from various parts of the city. It is situated close to local points of interest and is accessible via local public transit. The facility is wheelchair accessible, ensuring comfort and accessibility for all patients. Parking is available at the facility, providing convenient access for those arriving by private vehicle.
Dr. Okon graduated with a Medical Degree from the University of Ibadan College of Medicine in Nigeria in 1984. He has been practicing as a specialist in Obstetrics and Gynecology for over 21 years, since 2003. He is certified as a RCPSC Specialist, demonstrating his commitment to maintaining high standards of clinical excellence and ongoing professional development.
With a patient-centered approach, Dr. Okon is dedicated to providing comprehensive women’s health care in St Catharines. He emphasizes shared decision-making, evidence-based practice, and compassionate care tailored to each individual's needs. Fluent in English and French, he strives to create an open and supportive environment where women feel empowered to discuss their health concerns and options.
Dr. Marquis Okon provides care for a wide spectrum of women's health issues, including:
Pelvic Floor and Urinary Disorders
- Interstitial Cystitis / Painful Bladder Syndrome (IC/PBS): A chronic condition causing bladder pressure, bladder pain, and sometimes pelvic pain, ranging from mild discomfort to severe pain.
- Urinary Incontinence (Stress, Urge, Mixed, Overflow): The involuntary loss of urine, which can occur with physical exertion (stress), a sudden, strong urge (urge), a combination, or due to bladder overfilling.
- Fecal Incontinence (Accidental Bowel Leakage): The inability to control bowel movements, leading to unexpected leakage of stool from the rectum.
Sexual Health and Dysfunction
- Vaginismus: Involuntary muscle spasms in the pelvic floor muscles that make vaginal penetration painful or impossible.
- Dyspareunia (Painful Intercourse): Persistent or recurrent genital pain that occurs just before, during or after sexual intercourse.
- Decreased Libido / Sexual Desire Disorders: Persistent lack of sexual interest or desire, which can have various physical or psychological causes.
Pregnancy and Childbirth Related Conditions
- Hyperemesis Gravidarum (Severe Morning Sickness): A severe form of nausea and vomiting during pregnancy that can lead to dehydration and weight loss, requiring medical management.
- Routine & High-Risk Prenatal Care: Comprehensive monitoring and management throughout all stages of pregnancy, including those with increased maternal or fetal risks.
- Postpartum Complications (e.g., Hemorrhage, Infection, Mood Disorders): Health problems that can occur after childbirth, such as excessive bleeding, infection, or postpartum depression/anxiety, requiring prompt attention.
This list highlights some common conditions managed within Obstetrics and Gynecology and is not exhaustive. For personalized advice regarding your specific health concerns, please schedule a consultation with Dr. Marquis Okon or your primary care physician for a comprehensive evaluation and appropriate referral if needed.
- Myomectomy (Fibroid Removal - Laparoscopic, Hysteroscopic, Abdominal): Surgical removal of uterine fibroids while preserving the uterus, utilizing the most appropriate surgical approach.
- Pap Tests, HPV Testing & Cervical Cancer Screening (Colposcopy, LEEP): Cervical cancer screening through Pap tests and HPV testing, with follow-up diagnostic procedures like colposcopy and treatment for precancerous changes (e.g., LEEP - Loop Electrosurgical Excision Procedure).
- Surgical Management of Pelvic Organ Prolapse (e.g., Colporrhaphy, Sacrocolpopexy): Reconstructive surgical procedures to correct the descent of pelvic organs like the bladder, uterus, or rectum, often utilizing native tissue repair or mesh augmentation.
- Labor and Delivery Management (Vaginal & Cesarean): Professional medical care and support during labor and childbirth, including management of vaginal deliveries, assisted vaginal deliveries (forceps/vacuum if needed), and planned or emergency Cesarean sections (C-sections).
- Contraceptive Counseling & Full Range Management: Comprehensive discussion and provision of various birth control methods, including oral contraceptives, patches, rings, injectables, IUD insertion/removal (hormonal and copper), and contraceptive implant insertion/removal.
- Hysterectomy (Abdominal, Vaginal, Laparoscopic, Robotic-Assisted): Surgical removal of the uterus, performed through various approaches including minimally invasive techniques, depending on the medical indication and patient factors.
- Basic Infertility Workup & Ovulation Tracking: Initial investigations into causes of infertility and guidance on tracking ovulation.
Note: This list may provide an overview of common services in Obstetrics and Gynecology. Dr. Okon provides a wide array of diagnostic, therapeutic, and surgical options tailored to individual patient needs within women's health, pregnancy, and childbirth. Specific services offered can be confirmed by contacting the clinic.
All medical and surgical services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO). A referral may be required for insured services.
Dr. Okon's practice is situated within a modern clinic in a convenient location near central St Catharines. The clinic is easily accessible from surrounding neighborhoods and is well-connected via public transit routes serving the area. The facility is wheelchair accessible, ensuring comfortable access for all patients. Parking is available on-site, providing easy and direct access for those arriving by car. The clinic’s proximity to local points of interest makes it a convenient choice for women seeking comprehensive obstetric and gynecological care in the region.
- Are services from Dr. Okon, an Obstetrician and Gynecologist, covered by Ontario Health Insurance Plan (OHIP) in ON?
- Medically necessary consultations, prenatal care, delivery, gynecological surgeries, and diagnostic procedures performed by a licensed Obstetrician and Gynecologist like Dr. Okon are generally covered by Ontario Health Insurance Plan (OHIP) in ON when you have a valid referral from your family doctor or another referring physician. Some elective procedures, certain fertility treatments, or non-medically indicated services may not be covered. It's always recommended to confirm specific coverage details with Ontario Health Insurance Plan (OHIP) or the clinic.
- Do I need a referral from my family doctor to see Dr. Okon, an Obstetrician and Gynecologist?
- Yes, for services to be covered by your provincial health plan (Ontario Health Insurance Plan (OHIP)), a referral from your family physician or another specialist is typically required to see an Obstetrician and Gynecologist like Dr. Okon for most consultations and treatments. This ensures coordinated care. Some specific services or clinics (e.g., some sexual health or contraception clinics) might have different access pathways, but for ongoing obstetrical or gynecological care, a referral is standard. Please check with Dr. Okon's office or your referring doctor.
- Does Dr. Okon discuss or offer the HPV vaccine?
- The Human Papillomavirus (HPV) vaccine is highly effective in preventing infections with HPV types that cause most cervical cancers, as well as other anogenital and oropharyngeal cancers. Dr. Okon can discuss the benefits of the HPV vaccine, current recommendations for different age groups (including catch-up vaccination for adults), and can either provide the vaccine or refer you to where it can be obtained, depending on clinic services and provincial programs.
- At which hospital(s) does Dr. Okon deliver babies or perform surgeries?
- Dr. Okon is affiliated with affiliated local hospitals. You can confirm the specific hospital(s) where he performs deliveries and gynecological surgeries by contacting Dr. Okon's office directly. This information is important for planning your care and delivery.
- How can Dr. Okon help with menopause symptoms?
- Dr. Okon can help manage bothersome menopause symptoms such as hot flashes, night sweats, vaginal dryness, mood changes, sleep disturbances, and bone density concerns. Treatment options may include lifestyle modifications (diet, exercise, stress reduction), non-hormonal medications, vaginal estrogen for localized symptoms, or systemic hormone replacement therapy (HRT) after a thorough discussion of the benefits and risks based on your individual health profile and preferences.
Suite 103, 261 Martindale Road
St Catharines, ON L2W 1A1
Phone: (905) 682-4534 | Fax: (905) 682-6281
The facility is wheelchair accessible.
Dr. Okon is a licensed Obstetrician and Gynecologist regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. A referral from your family physician or another qualified healthcare provider is typically required for provincially insured consultations and treatments.
Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Okon-Marquis-Moses-AniediAbasi/0207659-80434