Regional Maternal Fetal Medicine (MFM) Centres

Circumstances when you may consider referring your patient to a regional MFM centre include:

  • NT measurement is increased (3.5 mm or above)
  • NIPT result is “high risk” or the NIPT fails twice
  • Ultrasound anomalies or certain soft markers
  • Pregnant individual is considering diagnostic testing

The following MFM centres accept referrals, but may vary in their referral criteria. You may consider contacting your local centre to obtain more specific guidance.

McMaster University Medical Centre Maternal Fetal Medicine Clinic 

4B Clinic, 1200 Main Street West 
Hamilton, ON L8N 3Z5 
Phone: 905-521-2644 
Fax: 905-527-0602 
McMaster University Medical Centre Maternal Fetal Medicine Clinic referral form 

Kingston Health Sciences Centre Maternal Fetal Medicine 

76 Stuart Street
Kingston, ON K7L 2V7
Phone: 613-548-6072 
Fax: 613-548-1330
Kingston Health Sciences Centre Maternal Fetal Medicine website
Kingston Health Sciences Centre Maternal Fetal Medicine referral form 

London Health Sciences Centre – Victoria Hospital Maternal Fetal Medicine 

800 Commissioners Road East 
London, ON N6A5W9 
Phone: 519-646-6106 
Fax: 519-646-6213 
London Health Sciences Centre – Victoria Hospital Maternal Fetal Medicine referral form 

Markham Stouffville Hospital Maternal Fetal Medicine Clinic 

381 Church Street 
Obstetrical Clinic, 4WG 
Markham, ON L3P 7P3 
Phone: 289-846-8036 
Fax: 289-846-8035 
Markham Stouffville Hospital Maternal Fetal Medicine Clinic website 

Trillium Health Partners High Risk Clinic 

2200 Eglinton Avenue West 
Mississauga, ON L5M 2N1 
Phone: 905 813-3552 
Fax: 905 813-3570 
Trillium Health Partners High Risk Clinic website 

Southlake Health Maternal Fetal Medicine Clinic 

596 Davis Drive, Room 4427, East Building, Level 4 
Newmarket, ON L3Y2P9 
Phone: 905-895-4521 ext. 2724 
Fax: 905-830-5804 
Southlake Health Maternal Fetal Medicine Clinic website  

Lakeridge Health – coming in spring 2026 

The Ottawa Hospital (Civic Campus) High Risk Pregnancy Unit 

1053 Carling Avenue, 4th Floor, D4 
Ottawa, ON K1Y4E9 
Phone: 613-761-4401 
Fax: 613-761-5141 
The Ottawa Hospital (Civic Campus) High Risk Pregnancy Unit referral form 
 

The Ottawa Hospital (General Campus) Maternal Fetal Medicine Clinic 

501 Smyth Road, 8th Floor, Room 8-55 
Ottawa, ON K1H8L6 
Phone: 613-737-8595 
Fax: 613-739-6836 
The Ottawa Hospital (General) Maternal Fetal Medicine Clinic website 

Evolve Obstetrics and Gynecology MFM 

The Medical Centre 
707 Charlotte Street 
Peterborough, ON K9H 4B7 
Phone: 705-876-4530 
Fax: 705-743-1449 
Evolve Obstetrics and Gynecology website 

Mackenzie Health Maternal Fetal Medicine Clinic 

10 Trench Street 
Richmond Hill, ON L4C 4Z3 
Phone: 905-417-2000 ext. 5451 
Fax: 905-883-2052 
Mackenzie Health Maternal Fetal Medicine Clinic website 

Scarborough Health Network Maternal Fetal Medicine Clinic 

2867 Ellesmere Road
Scarborough, ON M1E 4B9 
Phone: 416-431-8167 
Fax: 416-281-7102 
Scarborough Health Network Maternal Fetal Medicine Clinic website 

Mount Sinai Hospital Special Pregnancy Program/Ontario Fetal Centre

700 University Avenue, 3rd Floor 
Toronto, ON M5G 1Z5 
Phone: 416-586-4800 ext. 7756 
Fax: 416-586-3216 
Ontario Fetal Centre website  


North York General Hospital Maternal Fetal Medicine Unit
 

4001 Leslie Street 
Toronto, ON  M2K 1E1 
Phone: 416-756-6444 ext. 4052 
Fax: 416-756-6355 
North York General Hospital Fetal Medicine Unit website 
 

St. Michael’s Hospital High-Risk Pregnancy Clinic 

61 Queen Street East, 4th Floor 
Toronto, ON  M5C 2T2 
Phone: 416-867-7421 
Fax: 416-864-6073 
St. Michael’s Hospital High-Risk Pregnancy Clinic website 
 

Sunnybrook Health Sciences Centre High Risk Obstetrics Clinic 

2075 Bayview Avenue, M-Wing, 4th floor 
Toronto, ON  M4N 3M5 
Phone: 416-480-5367 
Fax: 416-480-5616 
Sunnybrook Health Sciences Centre High Risk Obstetrics Clinic website 
 

Humber River Maternal Fetal Medicine Unit 

1235 Wilson Avenue 
Toronto, ON M3M 0B2 
Phone: (416) 242-1000 ext. 45201 
Fax: 416-242-1137 
Humber River Health Maternal Fetal Medicine Unit website 

Windsor Regional Hospital Maternal Fetal Medicine Clinic 

1995 Lens Avenue 
Windsor, ON N8W 2X3 
Phone: 519-254-5577 Ext. 52231 
Fax: 519-256-6127 
Windsor Regional Hospital Maternal Fetal Medicine Clinic website 

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Contact Us

Prenatal Screening Ontario 
CHEO Research Institute 
Centre for Practice-Changing Research Building 
401 Smyth Road 
Ottawa, ON K1H 8L1

pso@bornontario.ca

Information line
Phone: 613-737-2281
Toll-Free: 1-833-351-6490

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