According to the research, women may feel most sexy at 28, but their confidence peaks at the age of 32, with supportive friends and family acting as the biggest boost to their self-belief.
The findings by a UK brand providing feminine hygiene products, focused on British women's attitudes towards being female, the 'Daily Mail' reported.
Researchers found that most women are happy with the shape of their figure including the size of their hips and waist at 28 years of age.
Three quarters of British women said they would not change their body shape if they were given the opportunity.
As many as 23 per cent women feel that their 'eyes' are the best physical attribute. Twenty per cent opted for their breasts, with brains coming in third (13 per cent).
When asked which part of themselves they would change if they had to, 41 per cent of women said they'd like to have longer, slimmer legs.
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The aspects of womanhood which women enjoyed the most were getting dressed up, wearing heels and doing their hair and make-up.
The study of 2,000 women found the typical woman now considers herself to have four good friends.
A fifth of those surveyed wished they could be more confident around men while the biggest reason for broken confidence was being dumped by a partner.
As many as 19 per cent women chose Kate Middleton; the Duchess of Cambridge as the most inspiring female figure, followed by historic nurse Florence Nightingale (17 per cent) and Hollywood icon Marilyn Monroe (15 per cent).
Reasons for rising confidence were found to be 'knowing where you're going in life' (60 per cent) and having had at least one long term partner (52 per cent).
Discovering their natural weight was also named as a breakthrough by 52 per cent of women.