ovulate

This can cause overweight women to ovulate less regularly than women of a healthy weight, reducing the chance of pregnancy.

Most women with a 28-day cycle ovulate on around day 14 of their cycle.

Injections of leptin enable such females to ovulate, become pregnant, and bear healthy progeny, the investigators now report.

Leading fertility expert Prof Sir Robert Winston explains: "As women get older they do not ovulate as frequently and there are other abnormalities of the menstrual cycle but this is not the only reason.

A NEW sanitary towel will warn women when they are about to ovulate, when their period will start, and if they have an infection.

But irregular periods can be normal, as some women ovulate less than others.

Pike estimates she will ovulate a whopping 450 times during her lifetime.

AFROM gynaecologist, Ann Szarewski: Women ovulate 14 days BEFORE their next period.

What remains unclear, Lesko says, is whether the apparent protective effect charted in the new study results from bearing children later in life, or just from maintaining the capacity to ovulate during each cycle.

FEMALE infertility has many different causes such as chromosomal problems like Down's syndrome, the inability to ovulate, endometriosis, blocked fallopian tubes, ovarian cysts or an abnormal uterus.

During the year-long study, they identified 28 women who had more than one menstrual cycle with a short luteal phase -- the interval between ovulation and the beginning of menstruation -- and andther 13 women who failed to ovulate during at least one cycle.

A woman with very low body weight - usually 7st and below - may not ovulate at all.