Yinfeng Zhang
No ORCID on file
· 6 papers in corpus
observational
2026
BACKGROUND: After early pregnancy loss (EPL), couples often seek counselling on how long to wait before attempting to conceive again. However, the optimal interpregnancy interval (IPI) between EPL and the next pregnancy is controversial. Ad…
observational
2026
BACKGROUND: Elevated maternal body mass index (BMI) increases miscarriage risk in assisted reproductive technology, but it is unclear whether this risk differs between singleton and twin pregnancies. Twin gestations impose greater metabolic…
observational
2022
BACKGROUND: Due to various iatrogenic and social factors, the global caesarean delivery (CD) rate has risen sharply in the past 30 years. It is more complicated and dangerous for women with a scarred uterus to experience pregnancy again tha…
observational
2021
BACKGROUND: Caesarean section rates are rising worldwide. One adverse effect of caesarean section reported in some studies is an increased risk of subfertility. Only a few studies have assessed the relationship between the previous mode of …
lab-animal
2021
The aim of the current study was to develop an accurate and reproducible method for isolation of granulosa cells (GCs) in patients with different ovarian reserves. The cells of healthy individuals and patients with polycystic ovary syndrome…
observational
2021
BACKGROUND: With the development of embryo freezing and warming technology, frozen-thawed embryo transfer (FET) has been widely utilized. However, studies investigating the association between cryopreservation duration and FET outcomes are …