6 IVF Success Factors You Must Know

IVF success rate depends on your age and the quality of eggs. These two factors you need to consider first if you want a successful conception.

Updated: June 16, 2022

In Vitro Fertilization is an assisted reproductive technology (ART) commonly known as IVF. IVF is the procedure of treatment by retrieving eggs, taking a sperm sample, and after that fertilizing an egg and sperm in a laboratory. The fertilized egg or embryo(s) is then transferred to the uterus. If you are planning for IVF, then it's essential to know about IVF success factors that can help you in getting pregnant.

IVF Success Factor 1 - Age of the Patient

IVF success rate depends on your age and the quality of eggs. These two factors you need to consider first if you want a successful conception. Younger women have higher chances of IVF success as the quality of eggs are good in them, old age is one of the main factors that reduce the chances of IVF success as older woman produce fewer eggs and the quality of eggs are low in older women. IVF success rate is 40 percent in women under 35 who start an IVF cycle. The success rate is about 4 percent if women's age is more than 42.

IVF Success Factor 2 - Previous Pregnancy

If you were pregnant previously before doing IVF cycle then success rate increases which is another success factor of IVF. If you had conceived with the same partner then , there is a greater chances of IVF success. History of recurrent miscarriage may reduce the chances of IVF success. 

IVF Success Factor 3 - Fertility problems

There are various fertility problems that lowers the rate of IVF success rates. Ovulation is one of the factors of IVF success rate.  If you need more ovulation stimulation drugs, then the chances of IVF success rates decreases.  Also your ovaries do not function well, like high FSH levels which shows a poor ovarian reserve, then IVF success rate may reduce.

Factors like male infertility problems, uterine abnormalities, fibroid also reduce the success rate with IVF. 

When both husband and wife have infertility issues, there is a lower chances for IVF success rate. Factors like the long time duration you have been trying to concieve is another factor of not getting pregnant with IVF.

IVF Success Factor 4 - Quality of donor eggs

In case you are over 35-40 and want to use Donor eggs in your IVF cycle then there are higher chances of IVF cycle. Success rate depends on the egg quality and age of the donor. If the donor eggs that you use in your IVF cycle is from younger women, then success rate increases.  IVF success rate is 55 percent with a fresh donor egg or fresh embryo transfer.

IVF Success Factor 5 - Lifestyle

Smoking can reduce your chances of having a baby. So stop smoking if you want to have a healthy baby. It is recommended to quit smoking minimum 3 months prior to IVF treatment.

  • Smokers need more amount of fertility drugs to stimulate their eggs.
  • Successful implantation occurs less in smokers.
  • Women who smokes has to undergone many IVF attempts to get success.
  • Eggs of Women do not get fertilized easily who smoke.

Weight also matters in a successful IVF cycle. Women who are overweight or obese have an increased risk of infertility as well as miscarriage. IVF success with fertility treatments may not work for the women who are over weight. Underweight women have higher rate of success with IVF.

IVF Success Factor 6 - Fertility clinic or Hospital

Before going through IVF procedure, verify the clinics where you want to perform the IVF treatment. IVF success rate depends on this factor very much. Factors you need to consider includes:

  • Choose the IVF clinic that have trained and experienced doctors and staff.
  • Choose the clinic that have high success rate.
  • Clinic that have transparency with respect to IVF cost and other things.
  • The laboratory and techniques used by the clinic.
  • The types of patients visiting the clinic, their age and fertility problems.


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