Hypothalamus-pituitary-ovary constitutes an axis system (HPOA), the hypothalamus regulates the function of pituitary gland, pituitary gland regulates the function of ovary, and ovarian hormones then act on various target organs…
The first step in in vitro fertilization-embryo transfer (IVF-ET) is to obtain a sufficient number of high-quality oocytes; however, patients with reduced ovarian reserve (DOR) often have difficulty obtaining ideal…
Because of its small probe and high frequency, vaginal ultrasound can be performed in the vagina as a circular rotation scan, close to the pelvic organs, showing well the internal…
Ovarian hyperstimulation syndrome is a medical disorder that occurs during IVF ovulation treatment. Ovarian hyperstimulation syndrome usually occurs 3 to 7 days after HCG injection and may result in abdominal…
Ovulation disorders are common endocrine disorders, with a prevalence of up to 25-30% in infertility. The clinical manifestations are varied, such as menstrual disorders (hypomenorrhea, thinning and amenorrhea), hirsutism, obesity,…
Grade 1 embryos: uniform cell size, regular morphology, intact zona pellucida, uniform and clear cytoplasm, no granulation; between 0-5% fragmentation. Grade 2 embryos: slightly uneven cell size, slightly irregular morphology; cytoplasm…
(Disclaimer: This article is for scientific purposes only, and the information in the following content has been processed to protect patient privacy)Abstract: Ovarian pregnancy is one of the more common…
Ovarian hyperstimulation syndrome (OHSS) is a medical condition that occurs when ovarian stimulation is performed for the purpose of hyperovulation and can be life-threatening in severe cases. OHSS often occurs in…
The modified extra-long protocol can effectively improve endometrial tolerance—higher clinical pregnancy rate in patients with recurrent fertilization failure The modified extra-long protocol has been applied in our center for the…
Today, another patient with ovarian hyperstimulation was admitted to the hospital. When I met her in the elevator, I thought she was a full-term pregnant woman giving birth in…