. >> reporter: nina davenport is about to do something unusual. and wanted it since she was in her 30s. >> i think i wanted it for almost ten years, when i woke up and realized i was nearing 41 and a half, i started to panic, and i really felt like it was now or never. >> reporter: so nina made the boldest decision of her life. >> as i told you before, i don't know whether my sperm is the ideal sperm. >> reporter: single motherhood is becoming the choice for many, and hollywood is catching on. >> you know what? i want to do this. i want to have a kid, and i'm in the market for some semen. we don't have to have sex -- >> will you be in baby daddy? >> reporter: now there is a whole industry devoted to matching men and women looking for a co-parent but not a spouse. social media is helping people meet each other, and if they agree, have a child. eric finally agreed to donate his sperm to nina, no strings attached. >> i will not try to get money or try to make you change diapers. >> reporter: and just like that, nina embarked on a journey into motherh