Stimulation of ovulation

Stimulation of ovulation

The stimulation of ovulation is recommended if, for example, there are unexplained ovulation disorders or infertility. Its aim is to stimulate the production and maturation of eggs.

The doctor prescribes hormones in the form of injections (gonadotropins).

During these treatments, regular ultrasound check-ups allow the development of follicles (which each contain an egg) to be monitored to reduce the risk of multiple pregnancy (twins) and to allow ovulation to be induced at a suitable time. For heterosexual couples, if the partner's sperm is of good quality, the couple will have sex after ovulation has been induced.

In some situations, the couples will be offered intra-uterine insemination.

Duostim protocol

In certain situations, particularly where ovarian reserve is reduced, a new stimulation protocol can be proposed. This is the "Duostim" protocol, which involves performing two ovarian stimulations rather than just one within a single menstrual cycle. This means that two follicular punctures can be performed during a single cycle. The aim is to increase the number of mature oocytes (eggs) available for fertilization.


Fertility Medicine and Gynaecological Endocrinology
CHUV Maternity Unit
Av. Pierre-Decker 2
1011 Lausanne
Fax +41 21 314 32 74
 Last updated on 10/04/2024 at 15:17