4.10
Infertility
Obstetrics & Gynaecology Protocols, Version 3.0, 2017. Chapter 4, Gynaecology.
Clinical description
Infertility is the inability for a couple to conceive after regular, unprotected sexual intercourse for one year.
Aetiologies of infertility may be found in the female partner, male partner, and/or both partners, or may be unexplained.
Signs and symptoms
History
- Both partners: prior pregnancies, history of STIs, drug history (alcohol, tobacco), occupational history,
frequency of intercourse
- Female: age (≥ 35 years old), height/weight/BMI, previous pelvic and/or abdominal surgery, contraceptive
use, menstrual history and any menstrual abnormalities
- Male: previous urogenital or hernia surgery, varicocele and/or genital pathology, mumps
Exam/Investigations - as indicated
- Female: menstrual calendar, pelvic US, HSG; if available: basal body temperature graph, TSH, PRL, day 3
FSH and oestrogen, day 21 progesterone or ovulation predictor kits,diagnostic laparoscopy
- Male: semen analysis (2 samples should be submitted)
Treatment
- Pre-conception management includes weight loss if female BMI > 30 and female rubella and syphilis
status.
- HIV testing for both partners.
- Couples should be advised to have regular intercourse 2 - 3 times per wk or can be counseled to use timed
intercourse around the time of ovulation if the woman has predictable menstrual cycles.
- To calculate the day of ovulation, calculate the woman’s menstrual cycle lengthand subtract 14.
- The couple should start having intercourse every other day for 7 days, beginning 5 days before her
anticipated date of ovulation.
- If woman is overweight, counsel about weight loss as a strategy to improve fertility.
- If woman has abnormal TSH or PRL noted, treat underlying etiology.
- If woman has anovulatory cycles, may consider using clomiphene citrate (Clomid 50 mg) on days 5-9 of
cycle if structural and semen abnormalities have been ruled out.
- Counsel patient about increased risk of multiple gestation and ovarian hyperstimulation syndrome with
Clomid.
- If structural or semen abnormalities are noted, patient may need referral for surgery, intrauterine
insemination (IUI), or in vitro fertilization (IVF).
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