Net mums' co-founder Sally Russell said: "Research has shown that mothers are at their least happy stage in the first few years of bringing up children because they are so stressed and overworked.
Sally Russell, co-founder of the Netmums website, said Walsh was talking "absolute rubbish". His comments were unhelpful to women who needed pain relief, she said.
Net mums' co-founder Sally Russell said: "Research has shown that mothers are at their least happy stage in the first few years of bringing up children because they are so stressed and overworked."