Being underweight (BMI under 18.5) can reduce a woman’s fertility by causing hormone imbalances that affect ovulation and the chance of getting pregnant. Compared to women in the healthy weight range, women who are underweight are more likely to take more than a year to get pregnant.
Can high BMI cause infertility?
Being overweight or obese can affect a couple’s ability to get pregnant. In fact, obesity is the cause of fertility struggles in six percent of women who have never been pregnant before, says the American Society for Reproductive Medicine (ASRM).
What is a healthy BMI for fertility?
You should aim for a BMI of between 20 and 25, as this will optimise your chances of conception. Even in these modern times, nature knows best. If a woman’s BMI falls below 19, the body senses famine and ovulation is switched off to prevent the risk of having a baby with malnutrition.
Does low BMI affect fertility?
Can a low BMI affect my fertility? Yes. Having a BMI below 18.5 is classed as underweight, which can make it harder to get pregnant. Having a low BMI can also cause your periods to become irregular or stop.
How can I increase my BMI for fertility?
If you are underweight – especially if your periods have stopped – you should increase your calorie and fat intake, eat more often and consider exercising less often and less intensely. If your BMI is too high, reducing your weight and body fat may improve your fertility.
Does obesity affect ovulation?
Excess weight affects female fertility
Overweight and obese women have higher levels of a hormone called leptin, which is produced in fatty tissue. This can disrupt the hormone balance and lead to reduced fertility.
Is it OK to get pregnant while overweight?
Having a high BMI can harm your fertility by inhibiting normal ovulation. Even in women who regularly ovulate, the higher the BMI , the longer it appears to take to become pregnant. Some research also suggests that as your BMI increases, so does the risk of unsuccessful in vitro fertilization (IVF).
How much should a woman weigh before getting pregnant?
M.Ed., RD, LDN, CLC, RYT-200
|Pre-pregnancy weight category||BMI||Recommended total weight gain for one baby|
|Underweight||Below 18.5||28-40 lbs|
|Normal Weight||18.5-24.9||25-35 lbs|
|Obese||Above 30||11-20 lbs|
What is an ideal BMI for a female?
A BMI of 18.5–24.9 is considered normal or healthy for most women. Even though healthcare professionals can use BMI as a screening tool, they shouldn’t use it as a method to evaluate a person’s body fat levels or health status ( 32 ).
What is the minimum weight to get pregnant?
How much weight you should gain during pregnancy depends on your body mass index (BMI) before getting pregnant. If you have: Underweight (BMI of less than 18.5), you should gain 28 to 40 pounds. Normal weight (BMI of 18.5 to 24.9), you should gain 25 to 35 pounds.
Can a low BMI affect your period?
Women that have a low BMI produce a reduced amount of estrogen which can lead to an abnormal menstrual cycle. Amenorrhea, or the lack of a menstrual cycle, is a result of a low BMI.
Why does being underweight affect your period?
Losing too much weight can cause periods to be less regular or stop completely. This can happen if your body fat drops so low that you stop ovulating, or releasing an egg from an ovary each month.
Can weight affect your period?
Being overweight can also affect your menstrual cycle. If you’re overweight, your body may produce an excess amount of oestrogen, one of the hormones that regulate the reproductive system in women. Excess oestrogen can affect how often you have periods, and can also cause your periods to stop.
How can I get pregnant with polycystic ovarian syndrome?
For women with PCOS who are overweight or obese, a modest weight loss sometimes results in more regular ovulation, which increases the chance of pregnancy. For those who know they ovulate, having sex during the “fertile window” (the five days leading up to and including ovulation) boosts the chance of conception.