"Thanks to affordable childcare, I was able to study and retrain as a nurse, " says Martina Stenbom, 44, a mother-of-one who lives in Stockholm.

BBC: Night nurseries: Sweden's round-the-clock childcare

"Women want to do the right thing for their baby, and if the issues are explained to them, they will, " says Kathleen Rice Simpson, a nurse-researcher who conducted the study.

WSJ: Push to Reduce Rates of Early Term Induced Deliveries

Nurse Donna Lavai was one of the study subjects to benefit from the pacemaker.

CNN: Pacemakers found to help heart failure patients

Once this was explained to us that she could not take a day-time class because those students were full-time and would have expectations on her to meet for study groups that, taking time to say, nurse a baby, would interfere with!

FORBES: Nudging Workplaces to Allow People to "Have It All"

Judy O'Sullivan, cardiac nurse at the British Heart Foundation, said the study added to the evidence that alcohol in moderation provides some protection for the heart.

BBC: NEWS | Health | Alcohol 'quickly' cuts heart risk