The real cause is not known yet but it is generally attributed to increased pregnancy hormones. It can be reduced by eating food that is easily digested and not spicy or fatty. It is also advised to split your meals over many small and frequent meals instead of 2 or 3 big meals, not to lie back immediately after a meal and lastly avoid nauseating smells and aromas. Symptoms tend to end by the 16th Week. Consult your doctor for treatment and advise as sometimes vomiting becomes persistent (Hyper emesis gravidarum) and needs hospitalization before deterioration.
Scientific Update (October 2026)
This chapter was first published in 2018 as part of the Prenatal Care Book, and has been reviewed and updated according to the latest guidelines. Key updates:
- First-line medicines are safe and include antihistamines such as doxylamine with vitamin B6, cyclizine and promethazine, with ondansetron as a second-line option.
- In severe cases, vitamin B1 (thiamine) is given to prevent neurological complications, and many women can be treated with IV fluids as day cases without admission.
- No woman should endure severe vomiting untreated out of fear for the baby, as the medicines used are safe.
References: RCOG Green-top Guidelines, NICE antenatal care (NG201).
International Guidelines
In line with global standards, Dr. Sabry follows the latest recommendations from the American Society for Reproductive Medicine (ASRM), European Society of Human Reproduction and Embryology (ESHRE), and Royal College of Obstetricians and Gynaecologists (RCOG). Thus, patients receive care that is safe, ethical, and evidence-based.
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Dr. Ashraf Sabry, consultant in obstetrics, gynecology, fertility, and aesthetic gynecology, is recognized among the best OBGYN and fertility specialists in Cairo. With over 20 years of experience, he combines science and compassion to provide world-class care. Book your appointment now through the contact page here or Whatsapp us or call us on +201022224442