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78 Harley Street

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020 7034 8969
020 7034 8945



Maternal Medicine

Maternal medicine (obstetric medicine) is the specialist care of pregnant women who either have pre-existing medical diseases or have specific pregnancy-related diseases that can affect any organ in the body.

  • Hyperemesis gravidarum (HG)
  • Hypertension in pregnancy 
  • Pre-eclampsia 
  • Kidney disease in pregnancy 
  • Rheumatic disease in pregnancy 
  • Neurological disease in pregnancy 
  • Liver disease in pregnancy 
  • Endocrine disorders of pregnancy
  • Cancer
  • Heart disease
  • Joint and connective tissue
  • Lung/respiratory disease
  • Liver and metabolic disorders
  • Haematological/blood disorders including sickle cell disease, thrombosis and coagulation problems.

If you, your Obstetrician or GP feels that you have, or are at risk of getting, a medical problem during pregnancy, you will be referred to our maternal medicine consultant: Professor David Williams.

Professor Williams is a consultant obstetric physician who provides clinical care for pregnant women with medical disorders. He is based at The Institute for Women’s Health, University College London Hospital, where he leads multi-disciplinary teams in the management of kidney, rheumatological, neurological, and gastroenterology diseases during pregnancy. Professor Williams also works with specialists to provide care for pregnant women with problems of blood clotting, the heart and endocrine system. He has particular expertise in the management of pregnancy-induced ‘gestational’ syndromes including pre-eclampsia, gestational diabetes and hyperemesis gravidarum.

At your first appointment Professor Williams will usually ask about your medical history and try to work out if your medical problem may affect your pregnancy, or if being pregnant could affect your condition. Please bring all medication, medical notes and letters with you.
After your appointment we will send a detailed letter to you, your GP and any other medical specialists involved in your care, outlining what is needed to support your pregnancy. Some women only need a single appointment and can then continue to be seen by their usual team of midwives and doctors. Others will need to have some or all of their care with us.

We aim to make sure that you and your baby are in the best possible health during pregnancy so that your birth experience can be as straightforward as possible.

For appointments or queries please contact Professor William's PA: Maria as follows:

Telephone: 07858 985 455

Email: clinic@maternalhealth.london

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