Father’s Genes May Determine Sex of Offspring

Razi Berry A Newcastle University study involving thousands of families is helping prospective parents work out whether they are likely to have sons or daughters. The work by Corry Gellatly, a research scientist at the university, has shown that men inherit a tendency to have more sons or more daughters from their parents. This means […]

Obese Women May Not Require Extra Calories During Pregnancy

Razi Berry The Institute of Medicine’s guidelines currently advise all pregnant women to increase calorie intake by 340-450 calories/day during their second and third trimesters, regardless of their body size at conception. Approximately 2/3 of women with obesity at the time of pregnancy will gain more weight than recommended, highlighting a need for evidence-based guidelines […]

Father’s Smoking Habits May Impact Son’s Fertility

Razi Berry A recent study has linked parental tobacco smoking to lower sperm count in sons. However, this study wasn’t looking at maternal smoking, but rather the smoking status of the father. The research team found that independently of nicotine exposure from the mother, men who had fathers who smoked during their pregnancy had half as […]