1.   Why draw a distinction between the adopted and the biological child?

2.   And in some cases that sentiment extends to gay parents fighting for custody of their biological children.

3.   Blackwell had no biological children.

4.   After three unsuccessful attempts at conceiving a test-tube baby, the Brooklyn couple had come to the seashore to bury their dream of having a biological child.

5.   But for a few percent of infertile couples, the last and probably only chance for a biological child lies in assisted reproduction.

6.   Despite the risks of unpredictable treatments, some couples go for broke in their ardent pursuit of a biological child.

7.   Each is desperate for a biological child, and each is excited about the prospect of a potential money-back guarantee.

8.   Even after finding that the boys were not his biological children, Wise said he had hoped to maintain his relationship with them.

9.   Everyone lusted after a house in the suburbs, a Barbie-doll waist, and two biological children.

10.   For many infertile couples, the effort to have a biological child pays off.