Stimulation usually lasts around 8 to 12 days with scans and sometimes blood tests to adjust the dose. The aim is a good number of mature eggs without causing overstimulation.
Fertility Glossary
Ovarian stimulation
Injections used to grow several follicles at once.
Related terms
Gonadotrophin
Injectable hormone medicines that stimulate the ovaries.
Monitoring scan
Ultrasound during treatment to measure follicles and the lining.
Ovarian hyperstimulation syndrome (OHSS)
An over-response to fertility medication causing swollen, painful ovaries.
Trigger injection
An injection that matures the eggs and sets the timing for collection or insemination.