(1) It's your job to make sure the sperm hits the green icons and avoids the reds.

(2) Researchers from Saudi Arabia told scientists meeting in Spain how they had successfully produced embryos from air-dried sperm .

(3) When a human sperm fertilizes a human ovum, a single cell is created with the potential to grow into a human person.

(4) Four women received hormonal treatment and insemination with the husband's sperm .

(5) Fertility scientists like Trounson say it is only a matter of time before the technique is also used to develop sperm and eggs cells, making infertility a thing of the past.

(6) Male sterilisation is not immediately effective, and a condom must still be used until an analysis shows there are no sperm left in the semen.

(7) We cannot determine his thoughts or presume his consent on a range of specific matters relating to the use of his stored sperm .

(8) Experiments showed that without the protein, a sperm cannot overcome the final obstacle of fusing with the egg before fertilisation takes place.

(9) Murray was unable to identify who the sperm belonged to.

(10) Japanese scientists have identified a protein on the surface of sperm that's critical for causing the cell membranes of sperm and eggs to fuse.

(11) Regular marijuana use can also lead to a decrease in sperm count, as well as an increase in abnormal and immature sperm .

(12) But for other people, for people who are on the far right, sperm meeting egg even in a lab, that's life.

(13) They claim that after 15 years, many species of whale, particularly the minke and the sperm , have recovered sufficiently so that as many as a couple of thousand a year can be sustainably harvested.

(14) To remove the condom after sex, the outer ring is twisted to keep the sperm inside and the condom is pulled out.

(15) Rakoff's essays about having Hodgkins disease and hunting down the sperm he once donated are classics.

(16) If the egg is not fertilized by a sperm , the ovary produces less hormone and the lining of the uterus breaks down and menstrual bleeding begins.

(17) It may be a u251cu00f6u251cu00e7u251cu2510potential person,u251cu00f6u251cu00e7u251cu00fb or have the ability to grow to become a person, but a similar claim could be made for a sperm and an ovum that haven't yet touched each other.

(18) Because sperm are living cells, they require a certain type of environment to live.

(19) The procedure identifies and sorts sperm into two types determining whether a fertilised egg develops into a male or female embryo.

(20) It's those bad boys swinging away down low that produce the two things - testosterone and sperm - that determine what kind of man you are.