NK and T Cell Subtypes in the Endometrium of Patients with Recurrent Pregnancy Loss and Recurrent Implantation Failure: Implications for Pregnancy Success.

Background: RPL and RIF are challenges in reproductive medicine. The immune system plays a pivotal role in endometrial receptivity, successful implantation, and pregnancy complications. Immunological changes have been associated with RPL and RIF.

Fertility, Contraception, and Fertility Preservation in Trans Individuals.

Background: An increasing number of persons around the world are receiving the diagnosis of gender incongruence, and most of them are in their reproductive years. Safe contraception and fertility preservation are important issues for counseling.

Methods: This review is based on pertinent publications retrieved by a systematic search in the PubMed and Web of Science databases, employing the search terms "fertility," "contraception," "transgender," "gender-affirming hormone therapy" (GAHT), "ovarian reserve," and "testicular tissue.

Corona and Reproduction, or Why the Corona Vaccination Does Not Result in Infertility.

As the COVID-19 pandemic persists and new vaccines are developed, concerns among the general public are growing that both infection with the SARS-CoV-2 virus and vaccinations against the coronavirus (mRNA vaccines) could lead to infertility or higher miscarriage rates. These fears are voiced particularly often by young adults of reproductive age. This review summarizes the current data on the impact of SARS-CoV-2 infection and corona vaccinations on female and male fertility, based on both animal models and human data.