Tagged: fertility

Have you considered using prices? - The Dismal Science

Eric Crampton Nov 08, 2018

Talk about an elephant in the room. Radio New Zealand’s story on unregulated informal sperm donor networks is a great chronicle of what happens when you ban payments for sperm donors, without once mentioning that the whole thing is a consequence of a ban on payments for sperm donors. It’s like a murder mystery where all the facts are … Read More

Mind the gap – does age difference in relationships matter? - Guest Work

Guest Author Apr 25, 2018

Gery Karantzas, Deakin University This article was originally published on The Conversation. Read the original article. Romantic couples with a large age gap often raise eyebrows. Studies have found partners with more than a ten-year gap in age experience social disapproval. But when it comes to our own relationships, both men and women prefer … Read More

Frozen embryos better than fresh for women struggling to get IVF to work - News

Jean Balchin Mar 23, 2018

A recent study conducted by a research team at The University of Western Australia and Fertility Specialists of Western Australia has found that women undergoing IVF who have had embryos fail to implant have more success using frozen ones than fresh ones. In Vitro Fertilization (IVF) is an assisted reproductive technology (ART). It involves extracting eggs, retrieving a sperm sample, … Read More

The Immortal Life of a Hydra - BioBlog

Jean Balchin Feb 09, 2018

Students often get to look at hydras – tiny, fresh-water members of the group that includes sea anemones, jellyfish, corals, and the Portuguese man’o’war. All these cnidarians have a simple body-plan: two layers of true tissue with a jelly-like layer between them, a sac-like gut with a single opening that acts as both mouth and anus, and the characteristic stinging cells –  … Read More

Promising male birth control pill has its origin in an arrow poison - Guest Work

Guest Author Jan 31, 2018

Gunda Georg, University of Minnesota; Jon Hawkinson, University of Minnesota, and Shameem Syeda, University of Minnesota This article was originally published on The Conversation. Read the original article. After decades of research, development of a male birth control may now be one step closer. My colleagues and I are working on a … Read More

Everything you never wanted to know about bed bugs, and more! - Guest Work

Guest Author Jan 19, 2018

Romain Garrouste, Muséum national d’histoire naturelle (MNHN) – Sorbonne Universités This article was originally published on The Conversation. Read the original article. If some insects could save the world, others do their best to seriously complicate life on Earth. Among them the prize perhaps goes to the bed bug, which after decades of absence … Read More

A new way to regulate surrogacy to give more certainty to all involved - Guest Work

Guest Author Sep 22, 2017

By Ruth Walker, University of Waikato and Liezl van Zyl, University of Waikato Starting a family through surrogacy is fraught with stresses and uncertainties. For heterosexual couples it is often the last resort after a history of disappointment and even tragedy. Gay couples remain subject to discrimination and stigma when it comes to planning a … Read More

Prenatal genetic screening risks information overload for parents - News

John Kerr Sep 11, 2017

A new report from New Zealand bioethicists warns that prenatal screening technology is developing exponentially – and we need to think hard about how we use it. The Judging Genes & Choosing Children report, funded by the New Zealand Law Foundation, digs into the ethical, legal and social issues posed by a new era of genomic testing for … Read More

Huge drop in men’s sperm levels confirmed by new study – here are the facts - Guest Work

Guest Author Jul 31, 2017

By Chris Barratt, University of Dundee Sperm count in men from North America, Europe, Australia and New Zealand declined by 50-60% between 1973 and 2011, according to a new study from the Hebrew University of Jerusalem. Surprisingly, the study, which analysed data on the sperm counts of 42,935 men, found no decline in sperm counts … Read More

Demographic disruption in New Zealand - Guest Work

Guest Author Jan 25, 2017

By Distinguished Professor Paul Spoonley, Pro Vice-Chancellor of the College of Humanities and Social Sciences, Massey University. This second decade of the 21st century is proving to be one of the most transformative globally and locally, especially in terms of demographic change. The consequences for the ageing of societies from the pipeline effects of the baby boom in the … Read More

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