Value, knowledge and reputation: zoological exchange by Australian museums, 1870-1900.

The burgeoning nineteenth-century public-museum sector built a significant part of its natural-history specimen collections through extensive international trading. The early 2020s has seen an upsurge of scholarly interest in this largely overlooked trade. Exchange was a distinctive aspect of the natural-history trade that reveals much about the diverse practices and motives of the institutional collectors.

Adnexal torsion, a medical complication of in vitro fertilization.

With the expanding use of assisted reproductive technologies, general obstetricians and gynaecologists must maintain a high index of suspicion for complications of in vitro fertilization. We present the case of a pregnant woman with unilateral adnexal torsion following in vitro fertilization and its diagnostic implications in an emergency setting.

Necrospermia, antisperm antibodies, and vasectomy.

Objective: To present a case of necrospermia and antisperm antibodies after vasectomy reversal and in which motile sperm, subsequently used in intracytoplasmic sperm injection (ICSI) treatment, was found after testicular sperm retrieval.

Design: Case report and literature review.

Setting: Reproductive medicine unit based in a women's hospital in the United Kingdom.