Can Fertility Drugs Delay Period?

The question is, can fertility drugs delay period? There are several types of fertility drugs, including Injectable gonadotropins, Clomid, Letrozole, and Norethisterone, each of which will work differently in different women. Listed below are the benefits and side effects of each. These drugs can delay your period if they are effective. Read on to learn about some of the most common types of fertility drugs and how they can work for you.

Injectable gonadotropins

Injectable gonadotropins, also known as hCG, are a type of fertility medication. These hormones stimulate ovulation and are used to increase fertility in women. Women naturally produce hCG during the menstrual cycle and the injection of this hormone may help them become pregnant. If you are undergoing natural cycle in vitro fertilization, you can undergo IUI on the second or third day of your period. Higher doses of gonadotropins are administered during the in vitro fertilization (IVF) cycle.


The hormones found in Clomid and fertility drugs delay your period by tricking your brain into thinking that your estrogen level is low. The pituitary gland releases more FSH and LH, which trigger the ovaries to ovulate. However, as soon as your estrogen levels go back up, your follicles begin releasing estrogen and signaling your brain to reduce FSH production and stimulate the ovaries.


Letrozole is a drug that can delay the menstrual cycle and induce ovulation. It is also used for fertility treatment in women who do not ovulate regularly. It works by increasing the levels of the hormone FSH in the body, which causes the release of multiple eggs. Letrozole is used for up to six months, which can be more than enough time for women to become pregnant, but it does have a risk of multiple pregnancies.


Norethisterone and fertility drugs both delay the start of a woman’s menstrual cycle. While norethisterone is not a contraceptive, it is a hormone that can cause unwanted side effects, such as the delayed onset of menstrual periods. As with any hormone, it is important to talk to a doctor before starting any contraception, especially if you’ve recently had a stroke or heart problem.

Norethisterone helps control bleed before a fertility treatment cycle

Compared to BCPs, which regulate your period on day two or three, Norethisterone helps control bleeding before you undergo fertility treatments. This hormone works by keeping progesterone levels high to prevent a drop in hormone levels, which causes a bleed. While Norethisterone is safer than BCPs, it is more difficult to time than BCPs. If your bleed pattern is off, you may need to adjust the date of treatment.

Getting pregnant with a male partner may not be enough

Although a man’s health and lifestyle can affect a woman’s ability to conceive, there are many ways to improve the chances of conception. Men should avoid smoking, drinking too much caffeine, and being overweight, since all these things can interfere with sperm movement. Additionally, hot tubs can cause an unfavorable effect on a man’s ability to conceive.

Other causes of late or missed periods

Other causes of late or missed periods due to the use of fertility drugs are gynecologic problems, insulin problems, and PCOS. The former is caused by an imbalance of hormones in the ovaries, while the latter is caused by an overproduction of androgen. Both conditions cause the ovaries to produce eggs in irregular cycles and can affect ovulation. Another cause of late or missed periods due to fertility drugs is birth control, which has hormones that keep the ovaries from releasing eggs.