The most favourable herbs are:
Ginger – used to treat morning sickness in pregnancy.
Vitamin B6 – studies (click to read) suggest vitamin B6 reduces nausea and vomiting. The American College of Obstetrics and Gynaecology actually prescribes vitamin B6 as a first course of treatment.
Garlic – has anti-microbial and anti-fungal properties, which enhance the immune system. This study (click to read) found that garlic was also effective at reducing blood pressure (gestational hypertension).
Peppermint – is one of the oldest and widely used medicinal herbs in Eastern and Western traditions to reduce nausea.
Red Raspberry Leaf Tea – traditionally taken for fertility, however women tend to take it throughout their pregnancy (particularly in the last 2 months) in an attempt to prepare the uterus for birth. These studies (click to read) suggest Red Raspberry Leaf Tea lessens the need for instrumental deliveries, shortens the second stage of labour, and reduces the need for an ARM.
Castor oil – a potent laxative thought to stimulate labour. This study (click to read) found that the consumption of castor oil could stimulate labour within 24 hours.
Echinacea – commonly prescribed to treat upper respiratory tract infections, cold/flu and UTI.
The least favourable herbs are:
Blue Cohosh – this herb is most commonly used for induction. However, it is incredibly concerning as many reports (read to click) have shown a link between blue cohosh and cardiovascular side effects. The mechanism behind blue cohosh involves the chemicals glycosides, caulosaponin, caulophyllosaponin and sparteine to induce labour contractions. Appetence Families DOES NOT recommend the use of this herb.
Evening Primrose Oil – This oil is a fatty acid consumed for the use of cervical ripening. This study (click to read) found that evening primrose oil actually increased the incidence of prolonged rupture of membranes, oxytocin augmentation, lack of fetal descent and vacuum extraction. Appetence Families DOES NOT recommend the use of this oil.