She may be an object of banter for most men, but a mother-in-law is no laughing matter for women.
In a new survey, a large number of women say that mothers-in-law who question their parenting skills or turn up uninvited are the biggest causes of annoyance.
Seven in ten mothers say they have to endure a controlling matriarch who criticises their parenting skills, with major sources of irritation include questioning how they bring up their children, mollycoddling their son, and trying to spoil their grandchildren too much, the survey found.
And, the mother-in-law turning up uninvited is another cause of annoyance, according to the poll conducted by parenting website 'gurgle.com'.
While conducting a survey of 1,000 mothers, it received dozens of testimonies from women who have confided that they can't stand their husband's mother, the 'Daily Mail' reported.
The survey found that 39 per cent are annoyed at their mother-in-law criticising their approach to child-raising.
The mother-in-law interfering in day-to-day life (23%) and 'babying' their son (20%) were the next two biggest complaints. Completing the top five gripes were spoiling the grandchildren (18%) and turning up uninvited (7%).
'Gurgle.com' released the results of their survey as it launched a free online guide for mothers on how to best deal with their mother-in-law in the run up to Christmas.
Nifa McLaughlin, the website's editor, said: "The key thing to remember here is that she doesn't think you're doing a bad job; it's just very hard for grannies to resist offering their own opinion if you're doing something differently to how she would have done with her own children."