The absence of ovulation. A period may still occur.

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A small ‘cap’ overlaying the sperm head.

The loss of the acrosome that is necessary for successful fertilisation. Normally only about 10% of sperm undergo an acrosome reaction.

In infertility, the sticking of ovaries, tubes, uterus, bowel and abdominal lining to one or more of each other so as to affect fertility. May follow pelvic surgery, tubal infections or endometriosis

Male sex hormones.

In infertility, a compound in the blood, mucus or semen which interferes with normal sperm function.

The absence of sperm in seminal fluid due to blockage of sperm ducts or impairment of sperm production.

Is a positive hCG blood test with no evidence of a gestation sac on Ultrasound.

A fine tubing especially developed for the transporting of eggs, sperm or embryos into the woman’s fallopian tubes or uterus.