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.
How fatal mitochondrial diseases may strike offspring of families with no history of the conditions

How fatal mitochondrial diseases may strike offspring of families with no history of the conditions

Study reveals how devastating mitochondrial diseases strike families without any previous history

Study reveals how devastating mitochondrial diseases strike families without any previous history

U.S. FDA approves first drug for patients with germline BRCA-mutated metastatic breast cancer

U.S. FDA approves first drug for patients with germline BRCA-mutated metastatic breast cancer

Ibuprofen intake could be leading to male infertility

Ibuprofen intake could be leading to male infertility

Women who conceive while using IUD more likely to have adverse perinatal outcomes

Women who conceive while using IUD more likely to have adverse perinatal outcomes

Scientists find sperm as potential drug carrier to treat gynecological conditions

Scientists find sperm as potential drug carrier to treat gynecological conditions

Study reveals impact of underactive thyroid within normal range on woman's ability to conceive

Study reveals impact of underactive thyroid within normal range on woman's ability to conceive

Slightly underactive thyroid may affect women's ability to become pregnant, study suggests

Slightly underactive thyroid may affect women's ability to become pregnant, study suggests

Zinc present in semen determines male fertility, study shows

Zinc present in semen determines male fertility, study shows

Cell phones should be kept away from the body warn California health officials

Cell phones should be kept away from the body warn California health officials

New insights into mosquito sex protein could provide strategies to control diseases

New insights into mosquito sex protein could provide strategies to control diseases

Human sperm may hold potential to serve as biomarkers of future health

Human sperm may hold potential to serve as biomarkers of future health

INRS researchers evaluate how chemotherapy among men affects health of future generations

INRS researchers evaluate how chemotherapy among men affects health of future generations

Distinct small differences in the human brain may contribute to our cognitive abilities

Distinct small differences in the human brain may contribute to our cognitive abilities

IVF, ICSI pregnancies lead to increased risk of congenital heart defects in newborns

IVF, ICSI pregnancies lead to increased risk of congenital heart defects in newborns

Live births more likely to occur in women with sufficient vitamin D, research finds

Live births more likely to occur in women with sufficient vitamin D, research finds

New research sheds light on negative effects of stress on the brain

New research sheds light on negative effects of stress on the brain

Choosy eggs and vying sperm may hold secrets about evolution of new species

Choosy eggs and vying sperm may hold secrets about evolution of new species

Research casts light on how chromosomes 'cheat' for chance to get into a sex cell

Research casts light on how chromosomes 'cheat' for chance to get into a sex cell

Could marijuana be an aphrodisiac?

Could marijuana be an aphrodisiac?