Valenti always planned to breastfeed, but her daughter was born prematurely and she wasn't able to produce enough milk.

BBC: Formula v breastfeeding: Should the state step in?

"We want to produce content for the Latino who was born in Latin America that lives here and the Hispanic who was born in the U.S., " said Hudson.

CNN: STORY HIGHLIGHTS

However, the French team, examining hundreds of babies born using this method found that those spermatozoids taken simply from testicular tissue were more likely to produce foetuses which had physical abnormalities.

BBC: Genetic fears over sperm retrieval

Mothers who are vaccinated during pregnancy produce antibodies to pertussis and other bacteria that are passed on to babies before they are born, said Sandra A. Fryhofer, a liaison to the CDC's advisory committee on immunization practices and who represents the American College of Physicians.

WSJ: Panel Pushes Vaccine for Pregnant Women