Personalized Insemination Treatment Study

Inclusion Criteria: * Women having consented to the study * Women followed at fertility center * First IUI cycle * Women between the ages of 18 to 42 inclusively at time of consent form signature * AMH \< 35 pmol/L (4.9 ng/mL) in participants' file in the last 24 months * At least one permeable Fallopian tube confirmed by laparoscopy, hysterosalpingography (HSG), hysterosalpingosonography (HSSG) or one pregnancy in the last 3 years * Insemination with either partner or donor sperm * Male partner semen analysis considered adequate for IUI in accordance to the centre's standard practice * Menstrual cycles from 26 to 39 days * Presence of both ovaries Exclusion Criteria: * Unable to consent * Body weight \>100 kg * AMH ≥35 pmol/L (4.9 ng/mL) in participants' file in the last 24 months * Severe malformation (unicornuate or bicornuate uterus) or uterine anomaly including fibroids ≥ 5 cm * Uncontrolled thyroid or adrenal dysfunction * Pituitary tumour * Persistent ovarian cysts or enlargement not due to PCOS (Polycystic ovary syndrome) \> 3 cm * Anovulatory women * Use of contraceptives in the last 3 months prior to start of stimulation * Diagnosis of hydrosalpinx * Malignancies * Breast pathology incompatible with gonadotropin stimulation * Hypersensitivity to follitropin delta or to any ingredient in the formulation * Addition of other infertility medication that can influence follicle stimulation and maturation such as growth hormone (GH)