Sperm News and Research

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The term sperm refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.

New study offers infertile women information on expected probabilities of becoming pregnant

A new Journal of Obstetrics and Gynaecology Research study offers infertile women new information regarding their expected probabilities of becoming pregnant and may help them select the optimal treatment based on their various risk factors.

3 Oct 2018

Research reveals how critical oocyte quality control process works

Females are born with a finite number of eggs that are steadily depleted throughout their lifetime. This reserve of eggs is selected from a much larger pool of millions of precursor cells, or oocytes, that form during fetal life.

28 Sep 2018

Under the sea, in an octopus' garden on ecstacy - neuroresearch

A new study has found that when octopuses are intoxicated with MDMA, they act like humans who are high on the same drug. This has led to speculations that humans and octopuses could have an evolutionary link.

21 Sep 2018

Obesity in early puberty doubles asthma risk for boy's future offspring

Boys who have considerable weight gain between childhood and puberty, double the risk of having asthma both as an adult and for his future offspring.

18 Sep 2018

New research on sperm quality updates advice for couples trying to conceive

Could doctors at fertility clinics be giving men bad advice? Dr. Da Li and Dr. XiuXia Wang, who are clinician-researchers at the Center for Reproductive Medicine of Shengjing Hospital in Shenyang in northeast China, think so.

17 Sep 2018

BPA-free plastic not safe either finds study

We look for labels stating plastics are “BPA-free” to reassure ourselves that the product is safe to eat or drink out of. A new study has shown that BPA-free options are not safe either.

16 Sep 2018

Replacement bisphenols cause reproductive defects in lab mice

Twenty years ago, researchers made the accidental discovery that the now infamous plastics ingredient known as bisphenol A or BPA had inadvertently leached out of plastic cages used to house female mice in the lab, causing a sudden increase in chromosomally abnormal eggs in the animals.

14 Sep 2018

Pear-shaped body is healthier than apple shape

Whether we like it or not, everyone accumulates fat. For women, it usually accumulates around the hips, resulting in a pear-shaped look. In men, fat tends to build up around the abdomen, creating an apple shape.

13 Sep 2018

New microfluidic device quickly corrals strong and speedy sperm viable for fertilization

For couples hoping for a baby via in vitro fertilization, chances have improved. A process that once took hours now takes minutes: Cornell University scientists have created a microfluidic device that quickly corrals strong and speedy sperm viable for fertilization.

10 Sep 2018

New study gives insight into metabolic interactions that occur throughout the body

A recent paper published in the scientific journal Cell gives an unprecedented insight into the metabolic interactions that occur throughout the body over 24 hours.

7 Sep 2018

Children conceived using ART methods may have increased hypertension risk

Children conceived through assisted reproductive technologies may be at an increased risk of developing arterial hypertension early in life, among other cardiovascular complications, according to a Swiss study published today in the Journal of the American College of Cardiology.

3 Sep 2018

Lack of protein in father's diet can impact long-term health of his offspring

New research has shown that a lack of protein in a father's diet affects sperm quality which can have a direct impact on the long-term health of their offspring.

29 Aug 2018

Research into biology behind sperm development could offer hope for solving male infertility

Nearly one in eight couples in the U.S. face infertility, and about half of those cases can be attributed to semen abnormalities in the male partner.

24 Aug 2018

New study finds effective way to cryopreserve ovaries of ladybird beetle

A new study has found an effective way to cryopreserve - preservation by cooling to very low temperature - and subsequently transplant ovaries of the multicolored Asian ladybird beetle, Harmonia axyridis.

24 Aug 2018

Study: Sperm morphology differs depending on qualities of male bird

In a study published in Behavioral Ecology researchers from Uppsala University show that the same type of sperm is not always the best for all male birds.

17 Aug 2018

Innovative oncofertility program launched by RMA of New York and Mount Sinai Health System

Reproductive Medicine Associates of New York, a Manhattan-based fertility center, and the Mount Sinai Health System have launched an innovative, integrated oncofertility program at The Blavatnik Family – Chelsea Medical Center at Mount Sinai to provide individuals and couples the benefit of advanced medical technologies to help with someday building their families.

15 Aug 2018