Registers of in-vitro fertilization and assisted conception.

Comparison of Congenital Abnormalities of Infants Conceived by Assisted Reproductive Techniques versus Infants with Natural Conception in Tehran

Seasonal Influences on Different Stages of In Vitro Fertilization: Stimulation and Fertilization

Background Effect of seasonal changes in human reproduction has been intensively researched. Some studies acknowledge influences of seasonal variation on natural conception, while others can not confirm them. The aim of this study was to investigate the effect of seasonal changes on different stages of assisted reproductive technology (ART) in Tehran. MaterialsAndMethods This study was carried ...

Congenital Malformations in Singleton Infants Conceived by Assisted Reproductive Technologies and Singleton Infants by Natural Conception in Tehran, Iran

Objective Multiple pregnancies occur more frequently in assisted reproductive technology (ART) compared to normal conception (NC). It is known that the risk of congenital malformations in a multiple pregnancy are higher than single pregnancy. The aim of this study is to compare congenital malformations in singleton infants conceived by ART to singleton infants conceived naturally. MaterialsAndM...

Pnm-23: Anxiety during Pregnancy and Fetal Attachmentafter In vitro Fertilization Conception

Background: Attachment style is the pattern of an individual in forming relationships with others, which is believed to be determined in the early years of life. Maternal-fetal attachment (MFA) is a term used to describe the relationship between a pregnant woman and her fetus. Qualitative descriptions of maternal attitudes and adaptation to pregnancy indicate that MFA is based on cognitive repr...

O-25: Relation between Follicular Fluid Levels of 25 Hydroxy Vitamin D and Clinical Pregnancy following Embryo Transfer

Background: Animal and in vitro studies have shown that 25-OH vitamin D plays a significant role in different parts of body. Few data exist about the role of 25- OH vitamin D in reproduction. Insufficient levels during pregnancy are potentially associated with increased risk of preeclampsia, insulin resistance and gestational diabetes mellitus. Recently, few studies have assessed the prognostic...