Identification of early placental hormone production in programmed embryo transfer cycles

Placental transfer of parathyroid hormone.

We investigated the in vitro transfer of three parathyroid hormone (PTH) fragments (amino acids 35-84, 44-68 and 65-84) through human placenta at term. The perfused and transferred fragments were measured radioimmunologically and identified by three different methods: high-pressure-liquid chromatography (HPLC), preparative flat-bed electrofocusing (PEGG), and gel filtration (GF). The study demo...

Frozen-thawed embryo transfer cycles

In order to reduce the chance of multiple pregnancy during in-vitro fertilisation (IVF)– embryo transfer treatment, there is an increasing trend towards transferring a lower number of embryos. Surplus good-quality embryos are then transferred in frozen-thawed embryo transfer (FET) cycles. The first pregnancy after FET was reported in 1983.1 It has been estimated that in IVF programmes in which ...

Comparison of Easy and Difficult Embryo Transfer Outcomes in In Vitro Fertilization Cycles

Effect of Adding Human Chorionic Gonadotropin to The Endometrial Preparation Protocol in Frozen Embryo Transfer Cycles

The Effect of Intercourse around Embryo Transfer on Pregnancy Rate in Assisted Reproductive Technology Cycles

Background Implantation failure is the most important cause of recurrent in vitro fertilization/intra cytoplasmic sperm injection (IVF/ICSI) failure. Several reports suggest that intercourse during the peritransfer period might improve pregnancy rates. This study is designed to determine whether intercourse during the peritransfer period will improve pregnancy and implantation rates in patients...