PREGNANCY

Mothers treated with progesterone were more likely to have bisexual children.

Researchers linked spontaneous coronary heart disease to emotional stress.

Being child-free is still a taboo.

Scientists have successfully created an embryonic structure which resembles a mouse embryo.

Pyrethroids are used in many household bug sprays, lice treatments and agricultural insecticides.

Pregnant women still advised not to handle used cat litter though.

Mothers' immune response to herpes may increase the risk of offspring developing autism

The find is the first in its group – which includes dinosaurs – to have given birth to live young.

In 2006 Tressa Middleton gave birth to a daughter but struggled to conceive with her fiance.

Thailand's health authorities have promoted ambitious policies to stop the spread of the virus in infants.

The persistence of genital cutting in some countries of Africa may be driven by evolutionary forces.

When both partners are obese, their chances of conceiving may be reduced.

IVF has helped many infertile couples but it increases chances of a multiple birth, with potential health risks.

Study shows that higher blood pressure is associated with a greater chance of having a boy.

In-vitro gametogenesis shows promise for many infertile couples, but scientists have warned of ethical issues.

Education enrolment only accounts for a small part of why women have their first babies later.

A morning sickness treatment prescribed in Canada and the US may not prevent nausea.

The University Medical Centre in Utrecht is investigating an egg and sperm mismatch during ICSI fertility treatment.

Anastassia Ontou was described as 'heroic' after giving birth to her own granddaughter via Caesarean section.

The 'no-questions-asked' ad was making its owner around $200 per day.

Reduction in grey matter volumes in areas associated with social processes may prepare women for motherhood.