A person can be (sperm donor).Logical formLearned from10 sentences. A (sperm bank) may pertain-to a us-state.Logical formLearned from10 sentences. A percent may pertain-to a sperm.Logical formLearned from10 sentences. Sperm may be took from a husband.Logical formLearned from10 sentences. A role can be in (sperm production).Logical formLearned from10 sentences. A defect can be in (sperm production).Logical formLearned from10 sentences. Sperm may count.Logical formLearned from10 sentences. Competition can be between a sperm of some men.Logical formLearned from10 sentences. Results can be in (sperm retention).Logical formLearned from10 sentences. (Sperm cells) may be produced.Logical formLearned from10 sentences. Sperm may develop.Logical formLearned from10 sentences. Tubes may carry sperm.Logical formLearned from10 sentences. A sperm may pertain-to a donor.Logical formLearned from10 sentences. An egg may be fertilised by a sperm.Logical formLearned from10 sentences. Sperm may fertilize an egg.Logical formLearned from10 sentences.