例句與造句

1. But more recent studies appear to confirm significant increases in the number of men producing defective sperm.
2. It found a dramatic increase over a 17-year period in the number of men producing defective sperm.
3. Researchers concluded that poor quality or defective sperm may affect early embryonic development, resulting in recurrent pregnancy loss.
4. However, with the assisted-reproduction technique known as intracytoplasmic sperm injection, or ICSI, even men with seriously defective sperm can become fathers.
5. Estevill found the mutation in half of 25 samples of sperm, but it is unclear whether those defective sperm would be able to create a successful pregnancy.
6. It's difficult to find defective sperm in a sentence. 用defective sperm造句挺難的
7. WEST PALM BEACH, Fla . _ Recurrent pregnancy loss may be associated with defective sperm, according to a study in the June issue of Obstetrics & amp; Gynecology.