The top documents tagged [passage of sperm]
Planning for family size
3.643 views
Morphology Of Mammals
1.914 views
porifera
2.266 views
Iud barrier 2 (2)
637 views
Fertilization
16 views
بسم الله الرحمن الرحيم
7 views
Billings Ovulation Method
62 views
First week of development
77 views
SEX!!!!!!
29 views